High yield Flashcards

(541 cards)

1
Q

What ages is cervical screening offered to women in the UK?

A

25-64

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2
Q

How often is cervical screening offered to the different age groups?

A

Age 25-49 - every 3 years

Aged 50-64 - every 5 years

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3
Q

What are the 3 components of cervical screening?

A

Colposcopy
High risk HPV testing
Sampling with cytobrush for liquid cytology

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4
Q

Patient presents with bilateral wheeze and RR of 27/min. Diagnosed with asthma attack, what category of attack is patient suffering?

A
Acute severe asthma
Requires one of:
PEF 33-50% of predicted
RR above or equal to 25
HR above or equal to 110
Inability to complete sentences in one breath
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5
Q

What name given to the type of technique used to remove skin cancer and assess the cell types

A

Mohs surgery

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6
Q

What are the benefits of Mohs surgery over other types of excision?

A

During the surgery, after each removal of tissue and while the patient waits, the tissue is examined for cancer cells. That examination informs the decision for additional tissue removal.

This allows complete margin control

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7
Q

What is the name of the skin type scale?

A

Fitzpatrick scale (1-6 white to black)

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8
Q

Gentleman drinks 4 cans of 440ml 7% strength lager a week. Work out the units he drinks in a week

A

12.32 units

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9
Q

What is the transformation zone of the cervix

A

Junction between the squamous cells of the exocervix, and the columnar cells of the endocervix

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10
Q

Name 3 enablers of self-management

A
Agenda setting
- preparing in advance
- identifying issues and problems
Collabarative goal setting
- SMART goals
Follow up
- Proactive
- Soon - within 14 days
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11
Q

Give 4 barriers to self management

A
Control beleifs 
Self efficacy
Depression
Poor family support
Weight problems
Behavioural beliefs
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12
Q

What is the most common type of skin cancer?

A

Basal Cell Carcinoma (BCC)

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13
Q

What is the A-E approach for pigmented skin lesions

A
Asymmetry
Borders
Colour
Diameter greater than 6mm
Evolution - has it changed over time
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14
Q

What are the 4 domains of childhood development

A

Gross motor
Fine motor/vision
Speech/language
Social

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15
Q

3 Causes of cerebral palsy

A

Congenital infection (CMV)
Birth asphyxia/trauma
Head-trauma

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16
Q

Define infertility

A

No conception after 1 year of unprotected vaginal sexual intercourse

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17
Q

What key biochemical changes underlie polycystic ovarian syndrome (PCOS)

A

Primary defect - insulin resistance (acquired / inherited)
Hyperinsulinaemia → amplification of LH production
LH↑ - imbalance of steroidogenesis in ovary → androgens ↑

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18
Q

What cancer are PCOS sufferes more likely to get?

A

Endometrial cancer

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19
Q

Give 4 contraindications for prescribing the COCP

A

Smokers aged 35 or more
Hypertension
History of venous thromboembolism
Migraine with aura

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20
Q

Give 4 skin disorders that occur with SLE

A

Photosensitive rash
Alopecia
Vasculitic rash
Malar rash

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21
Q

What associated condition could cause repeated miscarriages in a woman with SLE?

A

Anti-phospholid syndrome

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22
Q

MOA of warfarin

A

Decreased synthesis of clotting factors X, IX, VII and II
- via the inhibition of vitamin K epoxide reductase
Remember 1972

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23
Q

What is a normal INR range?

A

0.8-1.2

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24
Q

Give 2 ECG features of Aortic Stenosis

A

LV hypertrophy

Taller R waves

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25
Classic triad of symptoms for Aortic Stenosis?
Angina/chest pain Shortness of breath Syncope
26
What are the negative symptoms of schizophrenia (4)
4 A's - Alogia - Anhedonia - Apathy - Affective blunting
27
Give the first rank symptoms of schizophrenia
``` 1 Passivity 2 Somatic Hallucinations 3 Delusions of Perception 4 Thought insertation, broadcasting, withdrawal 5 Third Party Auditory Hallucinations 6 Thought Echo ```
28
If you felt that a patient needed to be sectioned, how could you do this and how long could you keep them for?
Sectioned under section 2 of the MHA. (for assessment) | Can be held for 28 days
29
What scoring system is used to assess upper GI bleeds?
Rockall score
30
What test is used to confirm diabetes insipidus?
Water deprivation test - No water intake for prolonged (4-18hrs) period, Measure body wt, urine output, + composition, No change in water loss after water deprivation indicates DI
31
Most common cause of breast lump?
Fibroadenoma
32
Why use Anastrozole in post-menopausal women for treatment of ER+ve breast cancer?
Anastrozole is an aromatase inhibitor. | Post-menopausal woman produce the majority of their oestrogen through aromatase.
33
4 other differentials to consider with a patient with suspected gout
Pseudogout Septic arthritis Reactive arthritis Fracture
34
What common medication can predispose someone to gout?
Thiazide-like diuretics
35
After what times are Troponin T samples usually taken to identify biochemical evidence of cardiac ischaemia?
At presentation and 6 then 12 hours after onset of chest pain
36
2 causes of Left Ventricular Failure
MI | IHD
37
What abnormality might be detected on auscultation in a patient with LVF
S3 gallop
38
What are the A-E signs of heart failure on CXR?
Alveolar oedema (bat wings) Kerley B lines (interstitial oedema) Cardiomegaly Dilated upper lobe vessels (Pulmonary venous HTN) Pleural Effusion (blunting of costophrenic angles)
39
Give the CENTOR criteria
Absence of cough Temperature >38 Cervical lymphadenopathy Tonsillar exudate Score of 3 or more is suggestive of group b strep infection Offer penicillin V if that is case
40
Clinical features of hepatic encephalopathy
Reversal of sleep pattern Asterixis (Liver flap) Loss of concentration Constructional dyspraxia
41
6 causes of abdominal distension (6 Fs)
``` Fat Faeces Flatus Foetus Fluid Fibroids/Tumour ```
42
Causes of mitral stenosis
Rheumatic fever SLE Endocarditis
43
Most common murmur in pregnancy
Mitral stenosis (Mid diastolic murmur)
44
What ecg signs are seen in right bundle branch block?
MarroW M shape in early V leads W in later V leads Opposite for LBBB
45
Triad of nephrotic syndrome
Proteinuria Oedema Hypoalbuminaemia
46
Triad of pre eclampsia
Oedema Proteinuria Hypertension
47
What ejection fraction is suggestive of LVF?
<35 >55 is normal 45-54 is mild LVSD 35-44 is moderate LVSD
48
What are the 3 types of AF?
Paroxysmal - up to 7 days Persistent - 7 days - 1 year Permanent - 1 year+ and resistant to rhythm control
49
3 main function of liver
Filter: absorbs venous blood via portal vein from GI tract Excretion: eliminates unnecessary metabolites via bike duct Metabolism: secretes useful nutrients into circulation via hepatic vein
50
Underlying pathology of Crohns
Transmural inflammation Involving whole GI Tracy Discontinuous
51
A 6 month old child is dehydrated and unconscious due to an accident resulting in burns over their head and upper body. They need urgent fluid replacement, what is your preferred route of access?
A "cut-down" 1.5 cm anterior and superior to the medial malleolus
52
What is a hydrocoele?
An accumulation of fluid in the tunica vaginalis
53
What is the likely histological assessment of a biopsied TB lesion?
Well­formed granulomas with caseous necrosis
54
What blood test would be diagnostic for Haemophilia A
Low plasma levels Factor VIII
55
Define hallucination, illusion and delusion
Hallucination -A perception experienced in the absence of an external stimulus, in any modality Illusion - A misperception of a real object/external stimulus Delusion - A delusion is a belief that is firmly held on inadequate grounds, is not affected by rational argument or evidence to the contrary
56
How does a second order auditory hallucinations differ from third order auditory hallucinations?
Second person ‐ you are being talked to by the voices | Third person ‐ patient hears voices taling about them and talking about them in the 3rd person
57
What are the 2 types social of stigma?
Enacted stigma - real experience of -ve attitudes | Felt stigma - Fear that prejudice or discrimination may occur
58
Define discrediting and discreditable stigma
Discreditable stigma: attribute, condition or impairment not immediate obvious or known by many e.g. mastectomy Discrediting stigma: obvious and visible attribute, condition or impairment
59
 Describe THREE ways in which dementia can impair decision making capacity, with reference to the capacity criteria specified in the Mental Capacity Act. 
1. Dementia can affect short term memory, so the patient may not be able to retain the relevant information. 2. Dementia can affect reasoning processes or judgment and so may affect the ability to understand the relevant information or to weigh the information to make a choice.  (May have a mark for impaired understanding and ability to weigh up, if linked to cognitive impairment/impaired reasoning process). 3. In more advanced dementia, patients may not be able to communicate and so fail the communication criteria in the assessment.
60
Describe mechanism underlying HbA1C formation
Haemoglobin undergoes glycation in vivo, at a rate proportional to blood glucose concentration
61
 List TWO ways in which diabetes mellitus is atherogenic
Endothelial dysfunction | Increased oxidative stress
62
Definition of concordance
A negotiated, shared agreement between clinician and patient concerning treatment regime(s), outcomes and behaviours 
63
Give 3 routine postnatal checks that will be carried out on the mother within 6 hours of birth
Assess volume of blood loss Blood pressure Contraction of Uterus
64
What 2 markers are screened for in a HIV test?
p24 | IgG
65
What is the time limit for offering Post-exposure prophylaxis
72 hours after exposure
66
Signs of PE
Raised JVP Tachycardia Tachypnoae Low O2 sats
67
RIsk factors for PE
``` COCP Malignancy Pregnancy Recent VTE Immobility ```
68
What is meant by enacted and felt stigma?
Enacted stigma = real experience of negative attitudes or discrimination as a result of having a particular condition Felt stigma = fear that prejudice or discrimination may occur as a result of having a particular condition
69
Define terms discrediting and discreditable stigma
Discrediting stigma = obvious & visible attribute, condition or impairment Discreditable stigma = attribute, condition or impairment not immediately obvious or known e.g. mastectomy
70
Define: I. Sexuality II. Sexual identity/orientation
i. Sexuality = umbrella term relating to private dimension in which people live out their sexual, intimate or emotional desires ii. Sexual identity/orientation = describes the focus of a person’s sexual attractions & desires
71
Which area of the brain degenerates in Parkinson's?
Substansia Nigra pars compacta
72
Three dysmorphic features associated with Trisomy 21
Flat facial profile Single deep transverse palmar crease Short neck
73
Most common heart defect in Trisomy 21 patients?
Atrioventricular septal defect
74
Two common conditions associated with Trisomy 21
Duodenal atresia Obstructive sleep apnoea CHD
75
What conditions are screend for in the heel prick test?
``` Sickle cell Cystic fibrosis Congenital hypothyroidism Inherited metabolic conditions - Medium-chain acyl-CoA dehydrogenase deficiency (MCADD) - Homocystinuria (HCU) - Maple syrup urine disease (MSUD) - Glutaric Acidemia Type 1 (GA1) - Isovaleric Acidemia (IV - Phenylketonuria (PKU) ```
76
What do efficacy expectations predict?
- Likelihood of individual’s engagement in activity or behaviour - Degree to which they will overcome obstacles - Likelihood of success in achieving and maintaining behaviour change
77
How can efficacy expectations be enhanced?
o Positive mastery experiences o Positive vicarious experiences o Positive verbal persuasion o Positive emotional readjustment
78
Define - equitable access | - equal access
Equitable access - is having access to the care that people need Equal access - is having the same access to healthcare as everyone else
79
Which organisation should food poisoning be reported to?
Notification of Infectious Diseases
80
Give 4 signs of derlirium
``` Disordered thinking Euphoric, fearful, angry or depressed (Labile mood) Language impaired Illusions, hallucinations, delusions Reversal of sleep pattern Inattention Unaware/disorientated Memory deficits ```
81
Explain the breastfeeding method of contraception
To use this method, women must breastfeed exclusively, nursing at least every 4 hours during the day, and at least every 6 hours during the night. It can be used until one of the following happens: first menstrual period, 6 months postnatal, infants nurse less often
82
What contraception would you offer to a new mother who is breastfeeding?
Barrier methods (condoms) POP (mini-pill) Implant can be used 21 day after Oestrogen containing contraception can interfere with milk production
83
What is the minimum number of weeks post-delivery at which a cervical smear could be performed and why?
12 weeks. NICE says: Reschedule cervical screening (unless you think the woman will not re-attend), if the woman: - Is menstruating. - Is less than 12 weeks postnatal. - Has a vaginal discharge or pelvic infection — treat the infection and take the sample on another occasion. This is because of inflammatory changes during pregnancy making a smear test difficult to interpret
84
Describe the characteristic appearance of Neisseria gonorrhoea when it is Gram stained and viewed under the microscope
gram-negative intracellular diplococci on microscopy
85
Give two features to identify small bowel on AXR
Central position | Valvulae conniventes - mucosal folds that cross the full width of the bowel
86
Describe the FRAMES model of alcohol interventions
Feedback: Give patient honest and feedback on their subtance misuse, including risks and negative consequences Responsibility: Make it known they need to take responsibility for the use of alcohol Advice: Honest straightforward advice on how to cut down Menu: Options availble to help cut down Empathy: Be empathetic and non- judgemental Self-Efficacy: Express optimism that the individual can do this
87
What is the most common motor disorder in childhood?
Cerebral palsy
88
Give some examples of developemental milestones in each domain a 12 month old should have reached
Gross motor: Straight back sitting (9 months) Walks alone Fine motor/vision: Mature pincer grip Speech/language: Understands common words Uses one or two words Social: Seperation anxiety Dependence on parental figure
89
Definition of anxiety
A state of apprehension, uncertainty or fear, resulting from the anticipation of a realistic or imaginary threatening event or situation
90
Definiton of mental health
A state of well-being in which the individual realises his or her own abilities, can cope with the normal stresses of life, can work productively and fruitfully, and is able to make a contribution to his or her community.
91
What are the 6 primary emotions?
``` Happiness Fear Sadness Anger Suprise Disgust ```
92
What diagnostic criteria should be used in suspected IBS?
Rome IV criteria
93
What biomarker should be checked in suspected IBS to rule out other organic causes to symptoms?
``` Anti TTG (rule out coeliacs) Anti endomysial Ab (rule out coeliacs) Faecal calprotectin (can help rule out IBD) Faecal elastase (rules out pancreatic exocrine insufficiency) ```
94
Define diarrhoea
Abnormal passage of loose of liquid stools More than 3 times daily and/or A volume of stool >200g/day
95
What type of diarrhoea does cholera infection cause?
Secretory diarrhoea caused by toxins
96
Define gastroenteritis
Gastroenteritis e.g. any 2 of … 1. diarrhoea 2. abdominal pain / colic 3. nausea / vomiting 4. fever / myalgia / headache
97
Give 3 causes of viral gastroenteritis
Rotavirus Norovirus Astrovirus
98
Give 3 causes of bacterial gastroenteritis
Campylobacter E. Coli Cholera
99
Describe Xray appearance of RA
Loss of joint space Erosions Soft tissue swelling Soft bones (osteopenia)
100
Describe Xray appearance of OA
Loss of joint space Osteophytes Subchondral cysts Subchondral sclerosis
101
Give 4 extra-articular features of RA
Eyes: episcleritis, scleritis, Heart & lungs: effusions, fibrosis, nodules Skin & soft tissues: Rheumatoid nodules, vasculitis, rashes Systemic: Weight loss, fever, fatigue
102
What biochemical markers would you check in a patient with suspected RA and why?
Rheumatoid factor as it is present in 70% of RA patients | Anti -CCP antibodies(most specific test for RA)
103
Give 3 broad management options for RA
Exercise/physio NSAIDs DMARDs
104
How can you differentiate between inflammatory and non-inflammatory causes of joint pain?
Inflammatory causes of joint pain present with: - Morning stiffness that should relieve with activity due to natural increases in cortisol levels through day - Warmth over affected joint - Redness - Swelling/bogginess Non-inflammatory causes of joint pain present with: - Worse at end of day due to wear and tear aspect - Relieved by not using structures involved - Crepitus - Restriction of movement
105
Describe dysplasia
* Premalignant condition * Increased cell growth * Cellular atypia * Altered differentiation
106
What is clonality?
Tumours develop from a single cell – they form a monoclonal population arising from a single cell. If clonality can be proved, this is strong evidence for neoplasia
107
Define neoplasm
New abnormal growth of cells which persists after initiating stimulus has been removed
108
What is the key feature distinguishing between cancer and in-situ malignancy?
No invasion through basement membrane Does have all other features of malignancy - Epithelial neoplasm with features of malignancy - Altered cell growth - Cytological atypia - Altered differentiation
109
Define AKI
Abrupt loss of kidney function over a period of hours to days Creatinine >120micromols/L (normal 60-120)
110
What is the RIFLE criteria?
It is a classification of AKI Risk Creatinine 1.5-2x baselines Injury 2-3x Failure >3x Loss (>4 weeks) ESRD (>3 months)
111
Give the 3 causes of anuria
Obstruction Vascular catastrophe Severe acute glomerulonephritis
112
What complications may occur from an AKI?
Hyperkalaemia Pulmonary oedema Ureamia Acidaemia
113
Short-term treatment for hyperkalaemia
10% Calcium gluconate (10mL) to stabilise cardiac membrane Drive K+ into cells with 10 units insulin (Actrapid) in 50mL 20% glucose Salbutamol
114
Give 4 causes of hyperkalaemia
Drugs (ACEi, NSAIDs, ARBs) Renal impairment Iatrogenic (over replacement in fluids) Haemolysis of sample
115
Describe ECG changes seen in hyperkalaemia
Tall tented T waves Flattened P waves Broad QRS complexes
116
What are the 3 types of AKI and give a cause of each
Pre renal - Inadequate renal perfusion due to NSAIDs Intrinsic - Glomerulonephritis Post-renal - Stones
117
Define adherence
The extent to which a person's behaviour corresponds with agreed recommendations from a health care provider
118
Define compliance
The fulfilment by the patient of the healthcare professional’s recommended course of treatment
119
Describe 2 effects of poor concordance
Poor treatment outcomes for patients | Increased financial burden with excess urgent care visits
120
What 5 patient centred factors influence concordance?
``` Demographics - Adolescents have poor concordance Psychological Health literacy Patient-prescriber relationship Patient knowledge ```
121
Define adolescence
A variable period between childhood and adulthood between 10-20 years of age characterised by rapid development in psychosocial domain
122
Describe how risk taking is linked to brain development in adolescence
Risk taking is normal part of adolescence Disparity in maturation of limbic system and prefrontal cortex Early development of limbic system leads to pleasure seeking, reward processing, sleep regulation Protracted development of prefrontal cortex leads to redcued ability to control impulses and plan for future
123
Why is self management challenging in adolescents?
They are working towards independence and autonomy Developing new relationships with peers, family and clinicians New environments and activities Risk taking
124
Define a rough sleeper
People sleeping, about to bed down (sitting on/in or standing next to their bedding) or bedded down in the open air. People in buildings or other places not designed for habitation
125
Define statutory homeless
Someone who is eligible for public funds/has a local connection/unintentionally homeless AND have a priority need: * A household with dependent children * A household with a pregnant woman * Vulnerable because of physical or mental health * Aged 16 or 17 or aged 18-20 and previously in care
126
What is a sofa surfer?
Someone staying with family or on a friends sofa
127
What are the routes into homelessness?
``` Welfare changes - reducing access to private rented sector. Cuts to legal aid, social housing etc. Lack of affordable housing Lack of new builds Unemployment Closure of longterm psych hospitals ```
128
Which antipsyhotic is associated with agranulocytosis?
Clozapine
129
What is the bishops score? What is it used for?
The Bishop Score assessing cervical favourability and it is the most commonly used method to rate the readiness of the cervix for induction of labor. Score of abover 8 is good for induction and a score below 6 is an unripe cervix for induction
130
What is normal range of variability on a CTG?
5-25 bpm is seen as reassuring
131
How to read a CTG (acronym)
DR C BRAVADO ``` DR – Define Risk C – Contractions BRa – Baseline Rate V – Variability A – Accelerations D – Decelerations O – Overall impression ```
132
Give some reasons to classify a pregnancy as high risk
``` Gestational diabetes HTN Asthma PROM Pre-eclampsia ```
133
Normal foetal heartrate?
100-160bpm
134
When are foetal decelerations normal?
Decelerations start with uterine contractions and quickly resolve after Theses are normal and are known as early decelerations caused by increased vagal tone due to increased pressure on the head
135
What is the sepsis 6?
``` Give high flow oxygen Take blood cultures Give empirical antibiotics in line with trust guidelines Measure serum lactate Fluid resuscitation Monitor urine output ```
136
Which types of HPV are associated with cervical cancer?
HPV 16 and 18
137
Who is the HPV vaccine offered to?
12-13 year old girls
138
What part of the cervix do most cervical cancers arise from?
Transformation zone at region between endo and ecto cervix
139
What period in days (ha) does the secretory phase of menstruation occur?
Day 13-28
140
Define primary amenorrhoea
- No menstruation by age 14 with failure of development of secondary sexual characteristics OR - No menstruation by age 16 with normal development of secondary sexual characteristics
141
Define primary and secondary dysmenorrhoea
1o - Pain in absense of pelvic pathology, occuring during menses 2o - Pain associated with pelvic pathology, typically starting before menstruation
142
Define menorrhagia
Menorrhagia is excessive menstrual bleeding over several consecutive cycles that interferes with the woman's physical, emotional, social, and material quality of life.
143
What is the treatment for fibroids called?
Myomectomy
144
Give 4 common effects of housing on health
Cold - results in excess winter deaths Overcrowding - Leads to communicable diseases, stress and poor educational attainment Damp & mould - Resp. infections, allergies, asthma Structural - lighting, stairs, rails - leads to accidents
145
Define surveillance
Ongoing collection, collation and analysis of data in preparation for action
146
Why is surveillance needed?
Monitor trends, early warning for outbreaks, can plan and monitor interventions better
147
Who does what in communicable disease control?
Public health england - Legal obligation to take notifications and manage outbreaks NHS - Lead and coordiante NHS response CCGs - Support NHS england and trusts PCTs - Support ix and management through taking samples and organising treatment Hospital trusts - Provide microbiological advice regarding single cases of outbreaks Local Authorities - Environmental health officers support ix of certain outbreaks which may have an environmental source. They can prosecute
148
Define the concepts Agent:Host factors:Environment in relation to spread of infectious diseases
Agent = the thing causing disease (virus/bacteria/fungi) Host factors = factors that control whether you become infected and how you respond to infection. e.g. sexual behaviours, diet, age, gender Environment = Crowding, surroundings, sanitation, availability of health services
149
Give 3 direct and 3 indirect modes of transmission
Direct - touching, sex, faeco-oral | Indirect - Vehicle, vector e.g. malaria, airbourne
150
What are the stages in managing an outbreak?
1) Confirm (verify diagnosis) 2) Immediate control 3) Convene an outbreak control team 4) Review epidemiological and microbiological info. 5) Case finding 6) Descriptive epidemiology 7) Analytical study (case control or cohort) 8) Declare outbreak over 9) Communication throughout
151
With regards to communicable disease define sporadic
Occasional cases at irregular levels
152
With regards to communicable disease define endemic
Persistent low or moderate levels
153
With regards to communicable disease define hyper endemic
A higher persistent level
154
With regards to communicable disease define cluster
Occurance exceeds expected level: may be a possible link
155
With regards to communicable disease define outbreak
Localised epidemic: 2+ cases or a single case of rare disease
156
With regards to communicable disease define Pandemic
Epidemic occuring worldwide affecting large amounts of people
157
With regards to communicable disease define Epidemic
Occurance exceeds expected level: high probable or confirmed link
158
What are the different types of epidemic curve?
Point - suggests cases may be from a single event Propagated - Begins like an infection from an index case but develops into a epidemic which propagates larger and larger Continuous - Here exposure continues over a longer time so outbreak persists for longer
159
Name the top 3 mental health disorders that account for the most DALYS globally
Depression and anxiety Alcohol and drug use disorders SCZ and BPD
160
What is the most common mental health problem among men and women in europe?
F: Depression M: Alcohol use
161
Give 4 factors that influence physical health of people with mental illness
Lifestyle - more likely to smoke, drink, have HTN/DM Poor access to healthcare - Less compliance, difficulty understanding Treatment SEs Suicide
162
How do you work out Mean Arterial Pressure (MAP)?
MAP = 1/3 * SBP + 2/3 * DBP
163
Give the equation for ejection fraction
EF = (SV / EDV) ⋅ 100
164
Describe the phases of cardiac conduction
``` Phase 0 (Depolarisation) - Rapid Na+ influx Phase 1 (Early repolarisation) - Transient efflux of K+ Phase 2 (Plateau phase) - Slow influx of Ca 2+ and continues efflux of K+ Phase 3 (Repolarisation) - Ca2+ channels close but continued K + efflux returns TMP to -90mV Eventually normal ionic concentrations are restored via Na+/K+ ATPase, Na+-Ca2+ exchanger and Ca2+-ATPase Phase 4 (Resting phase) - Constant slow leak of K+ out of cell but Na+ and Ca2+ channels are closed ```
165
Give some causes of anaemia of chronic disease (4)
``` Infection RA Crohn's TB Endocarditis ```
166
Aetiology of aplastic anaemia
Pancytopaenia (deficiency of all cellular blood elements) Aplasia (hypocellularity of bone marrow) Aplastic refers to inability of the stem cells to generate mature blood cells
167
Give 4 causes of haemolytic anaemia
Hereditary spherocytosis Haemoglobin abnormalities - Thalassaemia/sickle cell Metabolic defects e.g. Glucose-6-phosphate dehydrogenase deficiency Immune e.g. Autoimmune haemolytic anaemia, Haemolytic transfusion reactions Paroxysmal nocturnal haemoglobinuria Malaria Drugs Hypersplenism
168
Clinical features of aplastic anaemia
Anaemic symptoms Increased infections due to low WCC (esp oral infections) Bleeding (e.g. gums, epistaxis) / bruising as low platelets
169
How does CKD lead to anaemia?
CKD leads to a reduction in production of EPO which gives as a result normocytic normochromic anaemia
170
What is a direct coombs test?
Direct Coombs’ test: identifies RBCs coated with antibody/complement and a positive result ususally indicates an immune cause to anaemias
171
What is an indirect coombs test?
The indirect Coombs test is used to detect in-vitro antibody-antigen reactions. It is used to detect very low concentrations of antibodies present in a patient's plasma/serum prior to a blood transfusion.
172
3 causes of iron deficiency anaemia
Malabsorption Poor diet Blood loss
173
What Ix would you do for suspected iron deficiency anaemia?
FBC: Hb↓ MCV↓ Blood smear: microcytic, hypochromic RBCs Iron studies: Serum ferritin ↓ Serum Iron↓
174
A 62 year old gentlemen presents with new onset anaemia and weight loss, what is your management?
As he is over 60 and has some cancer symptoms he should be referred via 2ww Also consider 2ww referral if aged under 50 with rectal bleeding AND Iron deficiency Anaemia symptoms
175
Pathophysiology of pernicious anaemia
Autoimmune condition where there is atrophy of the gastric mucosa, with failure of Intrinsic Factor (and acid production) → B12↓ absorption.
176
What would the LFTs show in a pre-hepatic cause of jaundice?
Unconjugated bilirubin - Increased AST/ALT - Normal ALP/GGT - Normal
177
What would LFTs show in a post-hepatic cause of jaundice?
Conjugated bilirubin - Increased AST/ALT - Slight increase ALP/GGT - Large increase
178
Describe pathophysiology of cirrhosis
- Entire liver architecture disrupted - Portal portal & portal-central bridging fibrosis - Nodules of proliferating hepatocytes surrounded by fibrosis - Vascular relationships lost abnormal communication resulting in portal and arterial blood bypassing hepatocytes
179
Clinical features of anterior uveitis
``` Unilateral Dull pain in orbital region Blurred vision ↓ visual acuity Synechiae (iris adherence to cornea or lens) ```
180
Give 4 causes of anterior uveitis
``` HSV CMV Seronegative arthropathies e.g. IBD, sarcoidosis Eye trauma TB Syphillis ```
181
How could you differentiate between bacterial, viral and allergic conjunctivitis?
Eye discharge is more watery in viral conjunctivitis Purulent discharge is more likely bacterial Allergic often has ropy mucoid discharge with itching as the main symptom
182
What is angle-closure glaucoma?
Angle-closure glaucoma (ACG) is a group of diseases in which there is reversible or adhesional closure of the anterior-chamber angle resulting in elevation of the intra-ocular pressure (IOP). In the acute form, the IOP rises rapidly as a result of relatively sudden blockage of the trabecular meshwork by the iris, via the pupillary block mechanism.
183
Management of PCOS
``` Weight loss! COCP if not wishing to conceive • Dianette if hirsutism Clomiphene citrate to induce ovulation if wishing to conceive Metformin to control insulin resistance ```
184
Give 4 causes of menorrhagia
Fibroids Adenomyosis Pelvic infection Endometrial cancer
185
Management of menorrhagia
Correct iron deficiency NSAIDs - mefanamic acid for pain Antifibrinolytics - tranexamic acid Surgical ablation/removal of fibroids (myomectomy)
186
Define cerebral palsy
A primary abnormality of movement and posture secondary to a non-progressive lesion of developing brain.
187
What is autistic spectrum disorder?
A developmental disorder characterized by difficulties in social interaction and communication and by restricted or repetitive patterns of thought and behaviour.
188
Define stress
Experiencing events that are perceived as endangering one’s physical or psychological well-being. The events are known as stressors and the result as the stress response
189
What are the 4 broad manifestations of anxiety?
Physical e.g. chest tightness Affective e.g. panic, terror Cognitive e.g. worry, apprehension Behavioural e.g. avoiding triggers
190
MOA of copper coil
Prevention of fertilisation (cu effect on ova and sperm) Cu effect on cervical mucus reduces sperm penetration Endometrial inflammatory reaction prevents implantation
191
What happens to LH and FSH levels after menopause?
Increase due to less -ve feedback from oestrogen
192
What are the signs of menopause? (low oestrogen)
``` Atrophic vaginitis Endometrial atrophy Loss of keratin CVD, CVA Bone depletion ```
193
What is the indication for prescribing HRT?
Reducing vasomotor symptoms is the only correct indication
194
Can you start HRT while still having periods?
Yes it will regulate them
195
What are the risks of HRT
``` Breast cancer - Increases with age and duration of use Venous thromboembolism - Most in year 1. May be less for patches Stroke - Very low risk Coronary heart disease - Only combined HRT ```
196
Benefits of HRT
Symptom control Osteoporosis prevention May reduce risk of CHD Reduce colorectal cancer risk
197
Define menopause
Biological stage in a woman’s life when menstruation ceases permanently due to the loss of ovarian follicular activity. - Mean age in UK 51 years
198
What is premature ovarian failure?
Menopause before the age of 40 years
199
Why do women get hot flushes?
Narrowing of the thermoneutral zone
200
Contraindication for oestrogen only HRT?
Women with a uterus unless used in conjunction with a mirena coil (Alone it can increase risk of endometrial cancer)
201
What type of HRT should be offered if women have had a period in the last year?
Cyclical HRT (combined progesterone and oestrogen)
202
When can you offer continuous HRT?
If a woman hasn't had a period in a year post menopause
203
CI for HRT
``` History of Pulmonary Embolism Abnormal liver function tests Angina Blood pressure of 180/98 Intermenstrual bleeding ```
204
Give 4 causes for male LUTS
``` BPH Prostate cancer Overactive bladder Bladder cancer Urethral stricture Neuropathic bladder ```
205
What are 3 red flag symptoms for LUTS
``` Haematuria Recent severe symptoms Pain Palpable bladder and nocturnal incontinence – high pressure chronic retention Abnormal DRE Abnormal U&Es and PSA ```
206
3 types of LUTS
Voiding - poor flow, hesitancy Storage - frequency, urgency, incontinence, nocturia Post-micturition - dribbling
207
Treatments for LUTS
Voiding - Alpha-blockers (tamsulosin) Storage - Beta agonist (mirabegron) Post-mict - Urethral milking, pelvic floor exercises
208
Treatment for acute urinary retention
Catheter (via urethra or suprapubic)
209
Give 3 differentials for a painless/minimally painful scrotal swelling
``` Hydrocoele Testicular tumour Hernia Spermatocoele Varicocoele ```
210
Investigations for suspected testcular tumour
USS of testes Tumour markers - beta-HCG and alpha fetoprotein (AFP) Staging CT of chest, abdomen and pelvis
211
Management of testicular cancer
Radical orchidectomy with or without prosthesis Chemotherapy Sperm storage
212
Differentials for acute painful scrotum
``` Testicular torsion until proven otherwise. Torsion of hydatid of Morgagni Idiopathic scrotal oedema Epididymorchitis Trauma ```
213
Management of epididymorchitis
Analgesia | Doxycycline, ciprofloxacin
214
Give 4 causes of haematuria
``` BPH UTI Malignancy Stones Trauma Glomerulonephritis ```
215
What investigations would you carry out for a patient with haematuria?
- Urine analysis (dipstix, culture, cytology) - FBC, U&Es, PSA, clotting - CT urogram (US) - Flexible cystoscopy
216
Risk factors for TCC of bladder
Smoking Benzene compounds exposure Drugs (cyclophosphamide, phenacetin)
217
Management of TCC
Transurethral resection of bladder tumour (TURBT) Installation of mytomycin C Staging for muscle invasive tumours Radiotherapy or cystectomy for muscle invasive Pallative chemo if metastasised
218
What are the age related cut offs for PSA
40-49 >2.0 50–59 >3.0 60–6 >4.0 70 and over >5.0
219
When should you refer for suspected prostate cancer?
If PSA is markedly raised | DRE shows irregular, hard prostate (arrange PSA so he can take results with him to referral)
220
What grading system is used for prostate cancers?
The Gleason score is used to classify the pattern of tumour growths found in prostate specimens. The Gleason score is the sum of the two most common patterns of tumour growth. It ranges between 6 and 10 — that is, between (3 + 3) and (5 + 5).
221
Differentials for chronic headache
Tenion headache - bilateral non-pulsatile headache without vomiting Raised ICP - Worse on waking, lying or bending forwards Medication overuse - Common culprits are paracetamol and codeine
222
Differentials for acute headache
Meningitis - if meningism is present Subarachnoid haemorrhage - worst ever headache, stiff neck, focal neuro signs Head injury - pain at site of trauma Sinusitis - Dull ache over sinuses with tenderness an post nasal drip Acute glaucoma - Typically in elderly long sighted people, constant aching pain develops around one eye If suspicious, refer for head CT to rule out severe causes.
223
Symptoms of migraine
Visual or other aura lasting 15-30 mins followed by severe unilateral throbbing headache or isolated aura with no headache
224
Triggers for migraine
Chocolate, cheese, wine, alcohol, lie-ins
225
Treatment for migraine
NSAIDs, Triptans, prevention with B2 blockers or tricyclis
226
What must be excluded in anyone >50 with subacute onset headache?
Giant cell arteritis - Tender, thickened, pulseless temporal arteries, jaw claudiation with raised ESR. Requires prompt steroids to avoid blindness
227
What is sensitivity and how do you calculate it?
Sensitivity is the probability that a test will indicate disease among those with the disease TP/(TP+FN)
228
What is specificity and how do you calculate it?
Specificity is the proportion of people who do not have the disease that the test correctly identifies as not having the disease TN/(TN + FP)
229
What is PPV and how do you calculate it?
The probability that a person has the disease given that they have had a positive test result TP/(TP + FP)
230
What is NPV and how do you calculate it?
The probability that a person does not have the disease given that they have a negative test result TN/(TN + FN)
231
Give the Wilson and Junger criteria for screening
1. Condition important health problem 2. Treatment available 3. Facilities for diagnosis and treatment should be available 4. Should be latent stage of the disease 5. Should be a test/examination for the condition 6. Treatment acceptable to the population 7. Natural history of disease should be adequately understood 8. Agreed policy on who to treat 9. Should be cost effective 10. Case-finding should be a continuous process
232
What are the main services offered by Coventry MIND?
``` Support at home to address mental health and daily living needs Accomodation support Recovery and development groups Befriending Counselling Gardening Wellbeing hub ```
233
What is social stigma?
Attributes, behaviours or pathological states that in some way sets a person apart from others and marks them as less acceptable or inferior
234
What are the top 3 infectious disease categories?
1. Respiratory infetions 2. Diarrhoeal diseases 3. HIV/AIDS
235
Give 4 risk factors for HIV (many)
``` Unprocted sex Multiple partners Sharing needles Sex after alcohol/drugs Having another STI Blood transfusion before 1985 Living in a country with high HIV prevalence Males who have sex with males Mother with HIV before birth ```
236
Global risk factors for infectious disease
``` Poverty War Under-resourced healthcare services Access to clean water Environment ```
237
What piece of legislaton prevents discrimination in the workplace for LGBTQI persons
Equalities act (Sexual orientation) 2007
238
Teen pregnancy is associated with - ?
Social disadvantage Poor education Low aspiration
239
Describe trends in common STIs
Chlamydia is most common Syphillis and Gonorrhoea are on the rise Large STI diagnosis increase in MSM
240
Explain the increase in STIs
``` Increase young people having sex STI awareness Easier service access Better diagnosis Artefact ```
241
Why should you notify partners of patients with STI?
Protect partner from reinfection Offer partner STI tests Treatment Inhibit further spread
242
What important factors from a Hx do you want to ask a patient presenting with jaundice?
Demographic GI symptoms - stool and urine colour, weight loss Alcohol Hepatitis risk factors - tattoos, travel, sexual hx
243
What is the most sensitive blood test of synthetic liver function?
PT/INR
244
Why might PT/INR increase in a jaundiced patient?
– Failure of synthetic function – Failure of absorption of Vitamin K due impaired bile salt excretion into gut by biliary obstruction
245
What is the key investigation for jaundice?
Abdominal ultrasound
246
What is Courvoirsier's law?
This states that in the presence of a palpably enlarged gallbladder which is nontender and accompanied with mild painless jaundice, the cause is unlikely to be gallstones.
247
What is weight loss?
Weight loss of at least 5% of the patient’s usual body | weight that occurs within the preceding 6-12 months
248
A patient presents with weight loss, give 4 questions you would ask to narrow differentials
Quantify the weight loss Intentional or unintentional Change in bowel habits Appetite change
249
What tool is used for patients at risk of malnutrition?
Malnutrition Universal Screening Tool (MUST)
250
Give 4 differentials for weight loss with poor appetite
GI inflamation e.g. IBD Cancer Psychiatric disorders Systemic infection e.g. HIV
251
Give 4 differentials for weight loss with normal appetite
Malabsorption e.g. Coeliacs Endocrine e.g. Diabetes Drugs Alcoholism
252
Give 4 causes of malabsorption in the small intestines
Coeliac's Crohn's Lactose intolerance Intestinal resection
253
What are the complications of Coeliac's?
Enteropathy-associated lymphoma (intestines) Anaemia Osteoporosis the leading to fractures Small bowel and oesophageal carcinoma
254
Oesophageal carcinoma risk factors
Smoking Alchohol FHx Hiatus hernia
255
What investigations would you perform in suspected oesopheageal cancer?
``` Bloods 0 FBC, U&Es, LFTs Imaging and special tests 0 OGD ± biopsy / barium swallow 0 Staging CT / staging MRI/PET scan ```
256
When should you refer patients for suspected colon cancer using 2ww?
40 or over with unexplained weight loss and abdo pain OR 50 or over with unexplained rectal bleeding OR 60 or over with - Iron-deficiency anaemia or - Changes in bowel habit
257
What is pernicious anaemia?
Common haematological condition characteriseby autoimmune destruction of the parietal cell and intrinsic factor resulting in severe VITAMIN B12 deficiency.
258
Treatment of pernicious anaemia
Treatment is with IM injections of hydroxycobalamin 3x weekly for 2 weeks then every 3 months
259
What PMH do you want to find out in a sexual history?
Previous STIs/UTIs HIV status LMP if female Last smear if >25 and female
260
Definition of dysuria
Painful voiding of the urinary bladder
261
Potential causes of dysuria
``` UTI Stones Urethritis (STIs) Bladder tumour Prostatitis ```
262
What is the most common causative organism in a UTI
E. coli
263
What Ix would you like to do for a patient with dysuria?
Urine dip | Urine MCS
264
Management of UTI
Uncomplicated - Trimethoprim or Nitrofurantoin | Complicated - Co-amoxiclav
265
If a patient has an indwelling catheter can you diagnose a UTI from dipstick?
No as all catheters become colonised with bacteria so urine samples are always +ve for bacteria
266
Differentials for genital discharge
Infective - Chlamydia - Gonnorhoea - Trichomonas - BV - Thrush (Candidiasis) Non-infective - Polyp - Retained foreign body - Malignancy
267
What is the Amsel criteria?
``` A criteria for diagnosisng BV wth 3 indicating BV White adherent discharge Clue cells +ve whiff test Vaginal pH >4.5 ```
268
Treatment for Chlamydia
Doxycycline/Azithromycin
269
Treatment for Gonorrhoea
IM cephalosporin
270
Treatment for BV
Metronidazole
271
Differentials for genital ulcers
Herpes simplex 2 HSV2 Syphillis HIV
272
What are some AIDS defining illnesses
``` Chronic HSV infection Kaposi's sarcoma Oesophaegal candidiasis Pneumocystis pneumonia CMV retinitis Lymphoma due to EBV ```
273
What is melana?
Dark black, tarry feces that are associated with upper gastrointestinal bleeding. The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria
274
Management of H. Pylori
Triple therapy advised Omeprazole, metronidazole, clarithromycin Advise patient to stop smoking Re-endoscope at 6 weeks to check for resolution of ulcer
275
3 causes of an oesophageal bleed
Mallory-Weiss tear Malignancy Varices
276
3 causes of a bleed from the stomach
Gastric ulcers Gastric varices Cancer
277
Management of piles
Cons - High fibre diet, laxatives, analgesia, avoid strain Medical - Injecton sclerotherapy Surgical - Haemorrhoidectomy, arterial ligation
278
What is diverticular disease?
Colonic diverticulosis refers to herniation of mucosa and submucosa through the muscular layer of the colonic wall (outpouching).
279
What important factors would you like to gather in a history of a patient with dysphagia?
``` Duration Progression Pain on swallowing (odynophagia) Solids/Liquids/Both? Regurgitation of food Any weight loss Smoking/alcohol hx ```
280
What are the 3 phases of swallowing?
Buccal - voluntary Pharyngeal phase - involuntary Oesophogeal phase - involuntary
281
Give 4 causes of dysphagia
``` Myasthenia Gravis Achalasia Goitre Stricture Oesophageal spasm Cancer ```
282
What ix would you do for dysphagia?
``` Bloods - FBC U+Es CXR Barium swallow OGD Staging CT scan PET scan ```
283
What are ALARM features for patients with GORD?
``` Dysphagia Evidence of GI blood loss Persistent vomiting Unexplained weight loss Upper abdo mass ``` Any of these means patients need to be referred to hospital specialists
284
Management of GORD
Cons - MDT, stop smoking, reduce alcohol, reduce weight Medical - Antacids, PPIs, H2 receptor antagonists, ?H. Pylori eradication Surgical - Nissen fundoplication
285
How would you explain an OGD to a patient
Procedure: - Fasting for at least 4 hours - Procedure will take 5-15 mins - If you need to be sedated you will need someone to accompany you home Risks and benefits - Diagnosis of your condition - Helps us guide treatment - Perforation - Aspiration Obtain consent
286
What is Barrett's Oesophagus?
Occurs as a result of acid reflux Causes metaplasia of squamous cells to columnar cells Associated with increased risk of malignancy
287
What is Achalasia?
Oesophageal aperistalsis • Impaired relaxation of LOS Leads to intermittent dysphagia to both solids and liquids.
288
Management of achalasia
Symptomatic relief Endoscopic balloon dilatation Botox injection Surgery
289
What are the treatments for asthma (ladder) in adults
Step 1: Inhaled short-acting B2 agonist Step 2: Add inhaled corticosteroid Step 3: Add long-acting B2 agonist Step 4: Increase inhaled steroid or add a 4th drug e.g. leukotriene receptor antagonist Step 5: Daily steroid tablet but consider treatments to avoid steroid use
290
What defines moderate asthma?
Increasing symptoms PEF >50-75% best or predicted No features of acute severe asthma
291
Features of acute severe asthma
``` Any one of: PEF 33-50% best or predicted Respiratory rate >/=25/min Heart rate >/=110/min Inability to complete sentences in one breath ```
292
Features of life-threatening asthma
``` In a patient with severe asthma any one of: PEF <33% best or predicted SpO2 <92% PaO2 <8kPa Normal PaCO2 Silent chest Cyanosis Poor respiratory effort Arrhythmia Exhaustion Hypotension ```
293
How would you initially assess an critically unwell or deteriorating patient?
ABCDE approach
294
2 gross motor milestones that should be reached by age 6 months
``` Any 2 from: Little or no head lag on being pulled to sit Lying on abdomen, good head control Held sitting, lumbar curve Lying on abdomen, arms extended Lying on back, lifts and grasps feet Pulls self to sitting Held sitting, back straight Rolls front to back ```
295
What is stridor?
Stridor is a high-pitched breath sound resulting from turbulent air flow in the larynx or lower in the bronchial tree. It is caused by a narrow or obstructed airway.
296
What criteria are used to diagnose PCOS?
Rotterdam criteria
297
Give one complication of pregnancy that PCOS sufferers are more likely to develop
Gestational diabetes Pre-eclampsia Preterm labour
298
What blood test can be used to identify Antiphospholipid syndrome
Anti cardiolipin antibodies OR lupus anticoagulant
299
Name 2 causes of aortic stenosis
Senile calcification Rheumatic heart disease Bicuspid valves (genetic defect)
300
Define a TIA
A TIA is a sudden, focal, neurological deficit of vascular origin that lasts less than 24 hours
301
Where is folic acid absorbed?
Jejunum
302
What can cause folate deficiency?
Poor diet Alcoholics Coeliac disease Crohn's disease
303
How are bacteria classified?
Classified on gram stain and shape Gram = +ve or -ve Shape = coccus or bacillus/rod
304
What scoring system do you use for a patient with community accquired pneumonia?
CURB-65 ``` Confusion Urea >7mmol/L Resp. rate >30/min BP <90 systolic or <60 diastolic Age 65 or over ``` Score of >1 admit >2 then IV treatment
305
Give 3 mechanisms or antimicrobial resistance
``` Antibiotic efflux Enzymatic degredation Target mutation Reduced permeability Alternative metabolic pathways ```
306
What is horizontal gene transfer?
Horizontal gene transfer is the process of exchanging mobile non-chromosomal genetic material such as plasmids between ‘unrelated’ individual bacterial cells
307
What is vertical gene transfer?
Vertical gene transfer is the passing on of genetic information as part of the process of reproduction – in bacteria, the chromosomal genetic information is replicated prior to cell division
308
What are the 3 ways in which horizontal gene transfer can occur?
Transformation: the uptake of short DNA fragments from the surrounding medium without direct cell-cell contact Transduction: where DNA is transferred from one bacterial cell to another by bacteriophage, viruses that infect bacteria Conjugation: which involves transfer of DNA from one bacterium to another by direct cell-cell contact
309
What is antimicrobial stewardship?
Using the minimal possible antibiotics in a hospital Using the cheapest antibiotic that will be effective Not giving antibiotics to someone with a viral illness Making antibiotic decisions based on the best evidence Restricting antibiotic prescribing to “antibiotic stewards” Stopping antibiotics being available over the counter Finishing the course of an antibiotic
310
Top 3 leading risk factors of death by sex
F: Stroke, IHD, LRTI M: IHD, Stroke, COPD
311
Top 3 risk factors globally
HTN, tobacco, high cholesterol
312
How has the demographic transition affected the population pyramid?
Less of a pyramid and more of a diamond shape with a shrinking base and a growing top
313
What are the differences between population and high risk strategy for reducing cardiovascular disease? (Think upstream downstream from 1st year)
Population strategy: - Attempts to control determinants of incidence rather than cases - Population based - More radical - More permanent High risk strategy - Extension of traditional clinical approach - No lasting change - Repeated from generation to generation
314
Give the 3 main drivers of increasing cardiovascular disease in developing countries
Diet - Shift from simple to processed foods - Increase in fat production and consumption Physical inactivity - Rise of cards - Rise of obesity Cultural change - Supermarketisation - Lifestyle
315
What are the different approaches to reducing salt intake? Which is most effective?
Regulation and market control (most effective) Taxation Primary care (least effective)
316
Define inequity in healthcare
When people with the same needs do not have the same level of access to the services they require
317
Define inequality in healthcare
It is the systematic differences in health and illness across social groups
318
Why should inequity in healthcare be addressed?
Principles of justice and fairness Determinant of health inequalities Duty under equalities act 2010
319
Give 4 causes of inequitable access
Physical access Geographical Financial Cultural - lack of interpreters, preferring same sex HCP Clinician beliefs and attitude Navigating through health and social care system
320
How can barriers to access be reduced? (4 of many)
Multi-disciplinary approach Driven from health needs assessment Reducing physical and geographical barriers Clinician shift to shared decision making Reduce cost to individual Reduce varition in service quality
321
5 main function of the kidney
``` Filtration - remove urea/creatinine Regulation of ECF components Electrolyte balance - Na+/K+ Acid-base balance Endocrine function- RAAS ```
322
Give 3 causes of primary nephrotic syndrome
Minimal change glomerulonephritis Focal segmental glomerulosclerosis Membranous glomerulonephritis
323
Give 3 causes of secondary nephrotic syndrome
``` SLE Hep B and C HIV Diabetes mellitus Malignancy ```
324
Give 2 causes of nephritic syndrome
IgA nephropathy Post-streptococcal glomerulonephritis Goodpastures syndrome
325
Give 5 common nephrotoxic drugs
NSAIDs - Inhibit vasodilatory PGs in afferent arteriole ACEi - reduce BP and dilate efferent arteriole Gentamicin - Directly cytotoxic Furosemide Penicillins Cephalosporins
326
What is oliguria?
<0.5 mls/Kg/hr of urine OR <400mls/day
327
What is anuria?
0ml/day - <100mls/day
328
What needs to be excluded before a diagnosis of anuria can be made?
Mechanical obstruction
329
General management of AKI
Stop nephrotoxic drugs where possible Monitor creatinine, sodium, potassium, calcium, phosphate, glucose Identify and treat infection Optimise fluid balance Urgent relief of urinary tract obstruction Refer to a nephrologist Identify and treat acute complications Referral to a nephrologist where indicated
330
What is CKD?
Gradual loss of kidney function that occurs over months to years
331
What can be found in urine that can help confirm multiple myeloma?
Bence-Jones proteins
332
Describe the path of the common iliac down to the foot
Common iliac splits into external and internal iliac vessels External iliac becomes common femoral at the inguinal ligament The common femoral splits into profunda femoris and superficial femoral artery Superfical femoral artery becomes popliteal artery as it passes the adductor hiatus This gives off the anterior tibial artery in the popliteal fossa and then continues as the tibioperonial trunk This then bifurcates into posterior tibial and peronial (fibular) arteries
333
If a patient present with claudication in the gluteal muscles what level is the blockage present at?
Aorto/Iliac
334
What medications may indicate patient is at risk of peripheral vascular disease?
Beta-blockers
335
DDx of an acute cold leg
Embolus Pressure/compression Trauma Thrombosis of aneurysm
336
DDx of an acute warm leg
``` DVT Cellulitis Osteomyelitis Sciatica Gout OA # ```
337
Give 4 signs of PVD
``` Hair loss Shiny Cyanosed Dry skin Ulcers Reduced muscle bulk ```
338
Describe the characterisitics of an arterial ulcer
``` Often found at toes, feet or ankles Punched out well defined edge Necrotic base Painful Often small ```
339
Describe characteristics of a venous ulcer
``` Commonly found at medial gaiter region Edges poorly defined Haemosiderin deposits around wound Can be large Minimal pain ```
340
What would an ABPI value of >1.3 suggest?
Calcification of vessel
341
Give the 6 Ps of ischaemia
``` Pain Pallor Pulseless Perishingly cold Paralysis Paraesthesia ```
342
Give the 5 initial steps to halt bleeding after an injury
``` Local vasoconstriction vWF binds to surrounding collagen Adhesion and aggregation of platelets Platelets release ADP and TxA2 Activation of clotting cascade to create a fibrin clot ```
343
What is haemophilia A?
A hereditary clotting disorder caused by deficiency in factor VIII Most common haemophilia X linked recessive so affects boys more than girls
344
What blood tests results would you see in a patient with haemophilia A?
Elevated APTT with normal PT & vWF levels
345
What is the treatment for haemophilia A?
Factor VIII infusion either prophylactically or at time of bleeding
346
What is haemophilia B?
A herediatary clotting disorder caused by a deficiency in factor IX X linked recessive Also known as Christmas disease
347
What is Disseminated Intravascular Coagulation (DIC)?
Mixture of initial thrombosis due to – Generation of fibrin in vessel walls – Activation of coagulation Then bleeding tendency due to consumption of coagulation factors and fibrinolytic activation
348
3 causes of DIC
``` – Malignancy – Sepsis – Haemolytic transfusion reactions – trauma/burns/surgery – Liver disease ```
349
Rx for DIC
No treatment unless bleeding Treat underlying cause Can use packed RBCs, Plt transfusion and FFP/cryo if bleeding
350
What is the Well's criteria for PE?
Objectifies risk of PE Clinical signs and symptoms of DVT (+3) PE is #1 diagnosis or equally likely (+3) HR >100 (+1.5) Immobilisation for at least 3 days or surgery in past 4 weeks (+1.5) Previous objectively diagnosed PE or DVT (+1.5) Haemoptysis (+1) Malignancy w/ treatment within 6 months (+1) <2 points consider D-dimer to rule out PE 2-6 consider D dimer >6 consider CTPA D-dimer not needed
351
Diagnostic criteria for Antiphospholipid syndrome
``` • Lupus anticoagulant or; • Anticardiolipin antibody or; • Anti-b2-glycoprotein I antibody On two or more occasions at least 12 weeks apart ```
352
When would you use thrombolytics?
• STEMI, if PCI not available within 90- 120mins • Massive PE • Ischaemic stroke Options are • Streptokinase (derived from bacteria, risk of allergic reaction) • Alteplase, reteplase (recombinant tissue plasminogen activators)
353
When would you use anti-platelet drugs?
• MI Options are: • Aspirin – COX inhibitor • Clopidogrel – targets platelet ADP receptor • Abciximab - GpIIb/IIIa inhibitor • Ticagrelor (STEMI) – platelet aggregation inhibitor (P2Y 12 receptor antag)
354
When would you use anticoagulants and give some examples
DVT, PE Options are: • Warfarin – coumarin (PO) • LMWH (+MI) (SC) e.g. enoxaparin, tinzaparin, dalteparin • Unfractionated heparin (IV) – risk of heparin-induced thrombocytopenia • Dabigatran – direct thrombin inhibitor • Rivaroxaban, apixiban – DOAC (direct factor Xa inhibitor)
355
What complications can arise from obesity?
Metabolic complications – type II diabetes, with insulin resistance, hyperlipdaemia, ischaemic heart disease Physical complications – increased osteoarthritis, particularly hips and knees, varicose veins, hermias, obstructive sleep apnoea Hepatic complications – fatty infiltration of the liver with cirrhosis Increased cancer risk – breast, ovary, endometrium, cervix, prostate, bowel
356
Main general causes of obesity
Environment – By far the commonest cause. Genetic factors Endocrine (<1%) Drugs
357
Causes of a fixed dilated pupil
If unconscious then herniation Oculomotor nerve palsy Acute closed-angle glaucoma
358
Symptoms of SIADH
Caused by the hyponatraemia Mild – Nausea/Vomiting/Headache/Anorexia /Lethargy Moderate – Muscle cramps/Weakness/Confusion/Ataxia Severe – Drowsiness / Seizures / Coma
359
Signs of SIADH
Decreased level of consciousness Cognitive impairment Focal or generalised seizures Brain stem herniation – severe acute hyponatraemia (coma / respiratory arrest) Hypervolaemia –pulmonary oedema / peripheral oedema / raised JVP / ascites
360
What Ix would you do for suspected SIADH?
``` Fluid status Serum sodium Serum potassium Urinary sodium TFTs ```
361
What is the biochemical triad of DKA?
Ketonaemia, hyperglycaemia and acidaemia
362
What is the clinical presentaiton of a patient with DKA?
``` Polyuria with polydipsia – commonest presenting symptom Weight loss Fatigue Dyspnoea Vomiting Preceding febrile illness Abdominal pain Polyphagia Ketotic breath ```
363
Define term immigrant
Anyone who moves to another country for 1 year+
364
Define term asylum seeker
Person who claims asylum in the UK due to persecution in country of origin
365
Give 3 common migrant health issues
FGM Infectious diseases No access to healthcare (illegal immigrants)
366
What are the criteria for bariatric surgery?
All appropriate non-surgical measure have been tried The person has been receiving or will receive intensive management in a tier 3 service The person is generally fit for anaesthesia and surgery The person commits to the need for long-term follow up Have to have BMI of at least 40 without co-morbidity OR 35 with recent onset T2DM
367
What are BMI thresholds for action to prevent T2DM in Asian and African/Afro-carribbean populations?
23 is increased risk | 27.5 is high risk
368
MoA of Orlistat
Inhibits action of lipase in GI tract so 30% less dietary fat is absorbed
369
What 2 school years is the national child measurement programme carried out in england?
``` Reception (4-5) Year 6 (10-11) ```
370
A 48 year old gentlemen with T2DM is diagnosed with stage 1 HTN (BP ≥140/90) what is your management for him?
Assess cardiovascular risk and end-organ damage via: - fundoscopy - QRISK2 - ECG - Proteinuria/haematuria - plasma glucose, GFR, cholesterol Offer lifestyle advice - Reduce salt, alcohol, smoking - Exercise regularly Offer ACEi initially then review
371
Who should be offered antihypertensives?
NICE says to offer antihypertensives to people aged <80 with stage 1 if they have: - Target organ damage - Established CVD - Renal disease - Diabetes - 10 year risk of =/>20% If stage 2 they should all be offered antihypertensives
372
Why should ACEi not be used in pregnancy?
Reported to cause congenital malformations, stillbirths and neonatal deaths
373
Give 4 causes of ascites
``` Cirrhosis HF Bacterial peritonitis Acute pancreatitis Renal failure Pseudomembranous colitis ```
374
DDx of acute diarrhoea (3 of many)
``` Infection (Norovirus) Drugs Ischaemic colitis IBD flare up Diverticular disease ```
375
What is hypospadias?
Opening of urethra on ventral surface of penis
376
How does lichen planus present clinically?
Pruritic, purple, polygonal, planar papules and plaques Remember the 6 P's of lichen planus
377
What condition is associated with this presentation? – A pink pearly nodule with telangiectasias, ulceration and rolled borders on the upper lip.
Basal cell carcinoma
378
How does impetigo present?
Golden honey coloured crust over an erythematous base
379
What is the pathogenesis of pemphigus vulgaris?
IgG antibody against desmoglein resulting in painful flaccid bullae or blisters that rupture easily on both skin and oral mucosa.
380
What skin condition is caused by the pox virus and what is its presentation?
Molluscum contagiosum | Presents as an umbilicated papule.
381
What are the signs of cardiac tamponade?
Beck's Triad | Hypotension, muffled heart sounds and increased JVP.
382
At which point in the menstrual cycle is a women most fertile?
The most fertile period of the menstrual cycle is from 5 days before ovulation to 1-2 days after. So day 9-16 of menstrual cycle
383
What does symmetrical intrauterine growth restriction (both the head circumference and abdominal circumference are lower than normal) suggest?
Chromosomal abnormality rather than placental insufficiency which would more likely present as asymmetrical
384
Describe the first stage of labour
Starts when the effaced cervix is 3cm dilated and ends when the cervix is fully dilated at 10cm.
385
What is the correct way to calculate the estimated date of delivery (EDD)?
First day of LMP + 9 months and 1 week
386
At 28 weeks gestation where would you expect to feel the uterine fundus?
Halfway between umbilicus and xiphisternum
387
Which period of gestation does the 2nd trimester represent?
13-28 weeks
388
When will a pregnant patient expect to feel foetal movements?
18-20 weeks
389
Definition of post-partum haemorrhage
Loss of >500ml of blood from the vagina within 24 hours of delivery
390
Describe the underlying pathology of Grave's disease
An autoimmune disease directed against thyroid stimulating hormone (TSH) receptors. The autoantibodies stimulate the TSH receptors causing increased T3 and T4 production.
391
What is gold standard Ix for diagnosing acromegaly?
Oral glucose tolerance test + Growth hormone measurement
392
What is the cut-off for an acceptable weight loss in the first 7 days of life?
10% Any more requires follow up/referral
393
Which vaccinations are given as "Pre-school boosters" at around 3 years?
At around 3 years 4 months the 4-in-1 DTaP/IPV is given, along with the second dose of MMR.
394
What two systems are used to predict prognosis and guide treatment for malignant melanoma?
Clark index- measures how deeply the melanoma has grown into the skin and which levels of the skin are affected. I: confined to epidermis, in situ II: invasion of the papillary dermis III: filling of the papillary dermis, but no extension into the reticular dermis IV: invasion of the reticular dermis V: invasion of the subcutaneous tissue Breslow thickness- measure thickness in millimitres from the overlying granular layer of the epidermis to the deepest easily identifiable tumour cells with an ocular micrometer.
395
What is erythema multiforme and give its common causes
Erythema multiforme is a hypersensitivity reaction usually triggered by infections, most commonly herpes simplex virus (HSV). It presents with a skin eruption characterised by a typical target lesion.
396
What is dermatitis herpetiformis and what GI condition is it associated with?
Dermatitis herpetiformis (DH) is a rare but persistent immunobullous disease that has been linked to coeliac disease
397
How does acute pancreatitis present clinically?
Epigastric/central abdominal pain • Pain radiates to the back • Helped by sitting forward • Vomiting Signs; – Tachycardia, hypotension, pyrexia, ↑RR, ↓O2 sats, abdo pain, Cullens/Grey Turner’s sign, peritonitic
398
Signs of ascending cholangitis
Charcot's triad 1. Jaundice 2. Fever, usually with rigors 3. Right upper quadrant abdominal pain.
399
Pathophysiology of asthma
Bronchial muscle constriction Mucosal swelling/inflammation Increased mucus production and plugging of bronchi
400
Definition of stroke
Stroke is the sudden onset of focal neurological deficit lasting more than 24 hours (or leading to death) caused by a vascular problem.
401
Rx for hypovolaemic hyponatraemia
Slow rehydration with normal Na+
402
What Ix would you do for a patient with hyponatraemia?
``` Serum osmolality (often low) Urinary sodium (can help differentiate between SIADH and a reducition in circulating volume/addison's) ```
403
Give 3 causes of hypokalaemia
``` Extra-renal: - Vomiting - Diarrhoea Renal: - Diuretics - Conn's - Cushing's - Steroids ```
404
Definition of a Health Needs Assessment
A systematic method of identifying unmet health and healthcare needs of a population and making changes to meet these unmet demands
405
What is the aim of a HNA?
To provide information to plan and change services for the better and to improve health
406
What are the 3 components of a HNA?
Epidemiological - epidemiology of current health condtion and risk factors Comparative - compare service and care between diff. population Corporate - views of stakeholders
407
Define self management support
Techniques that help patients choose healthy behaviours. Transforms care-giver relationship into partnership
408
Define self efficacy
Ability to monitor ones condition and effect cognitive, behavioural and emotional responses necessary to manintain satisfactory QoL
409
What bedside investigations would you undertake in someone with a supected TIA?
ECG | Blood glucose - rule out hypoglycaemia as a cause of neuro signs
410
What the is range of gestational age for the foetus to be classified as preterm baby?
24-37 weeks (before 24 weeks it is classed as spontaneous abortiong/miscarriage even though some babies can survive earlier than this point)
411
Explain what elements are required for successful claim of clinical negligence against a doctor
The doctor or other healthcare professional owed a duty to take care of the claimant and not cause injury; There was a breach of that duty to take care; That breach of duty has caused harm to the claimant; and Damage or other losses have resulted from that harm.
412
What age do women commence breast screening?
50 years of age
413
Give 3 clinical features of a breast lump that would warrant a 2WW referral
aged 30 and over and have an unexplained breast lump with or without pain or aged 50 and over with any of the following symptoms in one nipple only: discharge retraction other changes of concern - 'peau d’orange’, tethering, bony pain(mets)
414
Two indications for use of an NG tube
Unsafe swallow Unable to swallow Unable to maintain adequate nutritional intake Drainage of stomach contents
415
Describe management of pressure ulcers
Dressing that promotes a warm, moist healing environment to treat grade 2, 3 and 4 pressure ulcers. Topical antimicrobial dressings to treat a pressure ulcer where clinically indicated, Repositioning, air mattresses, air cushions Nutritional supplements and hydration
416
Give 3 examination findings in RA
Symmetric swelling of wrist, metacarpophalangeal, or proximal interphalangeal joints Ulnar deviation of MCP joints and phalanges Z-deformity of the thumb Swan-neck & Boutonniere deformity of interphalangeal joints Volar (anterior) subluxation of digits Rheumatoid nodules under skin
417
Give 3 examination findings in OA
Affects distal interphalangeal joints & 1st carpometacarpal joints. Heberden’s nodes present = enlargement of base of distal phalanx Bouchard’s nodes = enlargement of the PIP Bunions may present on the feet Limited movement, grinding (crepitation)
418
What are the broad areas assessed in the MSE? (8)
``` Appearance and behaviour Speech Thought Mood Perception Insight Cognition ```
419
What 3 types of embryonic tissue is the eye derived from?
``` Mesoderm of the head region - Lens The neural tube (neuro-ectoderm) - Retina Surface ectoderm - Corneoscleral and uveal tunics ```
420
What are the macula and fovea?
Macula is the area between the two temporal arcades Fovea is small central area of the macular containing high density of cones - Area concerned with fine detailed vision
421
Physiological relevance of choroid
Nourishes the outer layers of the retina Regulates retinal heat Assists in the control of intraocular pressure Pigment absorbs excess light decreasing reflection.
422
What is the underlying cause of cataract in older people?
Lens cells grow throughout life and there become more densely packed with time Densely packed cells stiffen the lens leading to loss of accommodation = presbyopia Densely packed cells become opaque=cataract
423
What 3 muscles control the eyelids
Orbicularis oculi = closes (CN VII) Levator palpebrae superioris = opens (CN III) Superior tarsal muscle = opens (Sympathetic)
424
What veins can be accessed in the cubital fossa?
Cephalic, basilic or median cubital veins
425
Borders of cubital fossa
Superior – Epicondylar line Lateral – Brachioradialis Medial – Pronator teres
426
What nerves are at risk with cannulation into cubital fossa?
Medical and lateral cutaneous nerves of forearm
427
What structures are at risk when cannulating the cephalic vein in the anatomical snuffbox?
Superficial branch of radial nerve | Radial artery
428
Describe the path of the great saphenous vein
Passes up medial aspect of lower limb Anterior to medial malleolus Along posterior region of medial tibial border (alongside saphenous cutaneous nerve) Posterior to patella Then through saphenous opening ~3cm inferior and lateral to the pubic tubercle
429
Describe path of short saphenous vein
Passes from lateral foot up posterior leg into popliteal fossa Posterior to lateral malleolus Ascends midline leg (posterior) alongside sural cutaneous nerve Into popliteal fossa via crural fascia and into popliteal vein
430
What two positions can the IJV be accessed from for central venous cannulation?
Lesser supraclavicular fossa | Posterior border of SCM
431
What nerves are at risk when attempting to cannulation the EJV
``` Accessory nerve (CNXI) Cutaneous branches of cervical plexus ```
432
Borders of femoral triangle
Superior border - Inguinal ligament Lateral border - Medial border of sartorius Medial border - Medial border of the adductor longus muscle Roof - Fascia lata Floor - Pectineus, iliopsoas and adductor longus
433
What are Langer's lines?
Lines of tension/cleavage (Langer’s) which help guide the orientation of surgical incisions Determined by direction of collagen fibres Incisions along lines heal better
434
What type of incision allows adequate exposure while aligining with tension lines?
Z-plasty
435
What surgical approach would you take to access the mediastinum and why?
Median sternotomy Avoids intercostal muscles and neurovascular bundle, internal thoracic artery & vein and provides good mediastinal access
436
Borders of the triangle of safety and its use
``` Posterior axillary fold (lat. dorsi and teres minor) Anterior axillary fold (Pec. major and minor) Nipple line (4/5th ics) ``` Used for chest tube insertion
437
What incision is used to access the anterior and posterior compartments of thigh?
Lateral fasciotomy incision
438
Describe surgical approach to ankle
Incision made midway between tibia & fibula heading towards 4th metatarsal base Intermediate dorsal cutaneous nerve id Extensor tendons retracted
439
Describe surgical approach to shoulder
Anterolateral approach made ID coracobrachialis and work at lateral side Medial side is the suicide
440
What is the gold standard investigation for diagnosis of TB?
Discharged pus or biopsy material for direct staining and culture
441
Describe the legal positon regarding a 16 year old refusing treatment
A child deemed competent can consent to treatment and this cannot be overridden. A refusal of treatment can be overrideen by someone with authority to consent e.g. parent If there is parental disagreement then the court can be asked to make the decision on what is in the best interests of the patient.
442
What is a vesicle?
A raised lesion filled with serous fluid that is <5mm diameter
443
What type of epithelium lines the labia minora?
Non-keratinised stratified squamous
444
What is the major determinant of the clinical manifestations of a virus?
Tropism of the virus for specific tissues and cell types
445
Give 2 direct cytopathic effects of viruses once they have entered cells
Induction of apoptosis Production of toxic proteins Production of degradative enzymes
446
Give 2 reasons why a combo of chemotherapy agents are used to treat patients
More effective due to different MoA Reduces chance of resistance Different toxicities
447
What cell types would be increased if a patient is give G-CSF
Neutrophils Eosinophils Basophils
448
How do you calculate relative risk reduction? Example: Risk of disease in control group is 5% and 3% in treatment group what is RRR
Absoulte risk reduction by control event rate 2/5 x 100 = 40%
449
What are the 4 classes of anti-arrhythmic drugs and where do they act?
Class 1 : Sodium channel blockers (membrane stablising) Class 2: Beta blockers (reduce adrenergic input) Class 3: Potassium channel blockers Class 4: Calcium channel blockers
450
Pathways involving which neurotransmitter are involved in the pathogenesis of confusion?
Acetylcholine
451
What is beta oxidation?
Process in which fatty acids are broken down in mitochondria to generate acetyl-coA
452
How do class 1c antiarrhythmics stabilise heart rhythm?
By slowing conduction in all parts of the heart
453
Give 3 reasons it is possible to detain someone under the Mental Health Act 2007
Hold to allow a formal psychiatric assessment Psychiatric assessment with a view to treat Treatment for a psychiatric disorder
454
Why is AF a risk factor for vascular dementia?
AF causes turbulent flow in the atrium leading to thrombus formation and emboli can end up in cerebral vasculature
455
What timescale does HbA1c reflect glycaemic control over?
The preceding 2-3 months
456
How do sulphonylureas increase the secretion of insulin?
Inhibition of the ATP sensitive K+ channels in the plasma membrane meaning K+ cannot efflux causing influx of Ca2+ and activation of normal machinery that releases insulin.
457
What would you see on fundoscopy in a patient with age related macular degeneration
Dry AMD will show drusen (yellow/white accumulations of extracellular material in the macula) Wet AMD will show choroidal neovascularisation
458
3 questions you would want to ask a patient who presents with TIA about their presenting complaint
Any sensory losses Dysphagia Dysphasia Visual disturbance
459
3 risk factors for TIA
``` HTN Smoking AF Diabetes Previous TIA/Stroke ```
460
3 common causative organisms for otitis media
H. Influenzae Strep. pneumonia Staph. Aureus
461
3 serious complications of progressive middle ear infection
Mastoiditis Labyrinthitis Brain abscess Epidural abscess
462
3 complications of pneumonia
``` Empyema Pleural effusion Sepsis Pneumothorax Lung abscess ```
463
Two factors that increase risk of developmental hip dysplasia
``` Breech presentation Female FHx Oligohydramnios 1st born ```
464
4 layers of epidermis
Stratum corneum Granular cell layer Spinous cell layer Basal cell layer
465
3 Cells found in epidermis
Keritanocytes - produce proteins Melanocytes - secrete melanin Merkel cells - light touch
466
Functions of skin
``` Physical barrier Protection against infection/ UV Prevent water loss Vit. D synthesis Wound healing Sensation Temp. regulation Psychosocial ```
467
How can you describe a lesion? (Pneumonic)
``` Size Shape Colour Associated change Margins Morphology ``` SSCAMM
468
Features of nodular BCC
``` Small, shiny, skin-coloured swelling Telangiectasia at edge Rolled edge and central ulcer Bleed spontaneously Slow growing ```
469
NICE advice for sun protection
Seek shade between 11-3 Wear covering clothing e.g. hats Suncream with minimum spf 15 and 4* UVA Keep kids under 6 months out of direct sunlight
470
Grades of pressure ulcers
Grade 1: Redess of intact skin Grade 2: Partial thickness skin loss involving epidermis, dermis or both. Grade 3: Full thickness skin loss involving damage to subcutaneous tissue. Grade 4: Extensive destruction, tissue necrosis, or damage to muscle, bone or supporting structures
471
Give 3 differentials for superficial neck lumps
Sebaceous cyst Lipoma Abscess
472
2 differentials for midline neck lump
Thyroglossal duct cyst Goitre Cyst Thyroid malignancy
473
4 differentials for anterior triangle neck lumps
Lymph nodes Branchial cyst Salivary gland swelling Carotid aneurysm
474
2 differentials for posterior triangle neck lumps
Lymph nodes | Subclavian artery aneurysm
475
NHYA classification of HF
Class 1 - symptoms only when exerting self to levels that would limit a healthy individual Class 2 - symptoms on normal exertion Class 3 - symptoms with less than normal exertion Class 4 - symptoms of HF at rest
476
4 causes of T1 respiratory failure
``` Pneumonia PE Pulmonary oedema Asthma Fibrosis ARDS ```
477
4 causes of T2 respiratory failure
``` COPD Opiates Fibrosis Asthma Myasthaenia Gravis ```
478
MRC dyspnoea scale
1 - Not troubled by breathlessness except during strenuous exercise 2 - Short of breath when hurrying or walking up a slight hill 3 - Walks slower than contemporaries on the level because of breathlessness, or has to stop for breath when walking at own pace 4 - Stops for breath after walking about 100 m or after a few minutes on the level 5 - Too breathless to leave the house, or breathless when dressing or undressing
479
How do you confirm diagnoses of COPD
Spirometry - FEV1 and FVC | The ratio will be <70% showing an obstructive pattern
480
What criteria are used to determine if a patient needs home oxygen?
PaO2 <7.3 Must NOT be smoking
481
Describe the appearance of acute guttate psoriasis
Salmon pink papules +/- scales Scattered discrete lesions mainly on trunk Can evolve into chronic plaque form
482
Describe appearance of chronic plaque psoriasis
Well defined dull red plaques with loosely adherent whitish scale Bilateral and often symmetrical Nails commonly involved Can have single lesion or lesions localised to site - mainly elbow, knees, sacral region, scalp, palms and soles
483
Nails changes in psoriasis
``` Pitting Oncholysis Oil spots Transverse ridging Subungal hyperkeratosis ```
484
Causative agent of acne vulgaris
Propionibacterium acnes
485
Pathology underlying acne
Follicular plugging prevents drainage of sebum Androgens stimulate sebaceous glands Inflammatory response Intense inflammation leads to scarring
486
Features of acne skin lesions
Comedones Papules and pustules Nodules Scars
487
Features of rosacea
``` Erythema Papules Nodules No comedones Symmetrical ```
488
What is the most common primary immunodeficiency?
Common variable immunodeficiency
489
4 types of primary immunodeficiency
Phagocytes deficiency Complement deficiencies Severe combined immuno-deficiencies Predominantly antibody deficiencies
490
Gold standard Ix for CGD
Nitro-tetrazolium blue (NBT) - Normal phagocytes reduce this to a dark blue pigment
491
Treatment for CGD and CVID
CGD - Prophylactic abx, recombinant IFN gamma , bone marrow/ stem cell transplant (curative) CVID - Prophylactic immunoglobuin transfusions every 3-4 weeks
492
What test can be done to confirm diagnosis of anaphylaxis?
Serum tryptase
493
What are the requirements for an ADRT to be considered valid?
``` Be an adult (over 18) when decision made Capacity to make decision Freedom from coercion Informed decision ADRT must also state precisely the treatment to be refused and the circumstances in which it applies ```
494
State 3 things you need to do ensure a patient has sufficient information to consent to being screened
Give clear and accurate information about benefits and risks Tailor the information to individual patient Take into account patient's views, preferences and concerns about adverse outcomes. Provide supplementary material to facilitate discussion
495
Describe legal concepts of battery and negligence
Uninvited invasion of bodily integrity (physical contact against patient’s valid consent), or the “unlawful application of force Negligence is harm caused by a doctor’s failing to correctly discharge their duty of care.
496
Explain what is meant by the Bolam test
The Bolam test is a legal mechanism for determining a doctor’s liability in the context of a negligence claim.
497
3 elements that are required in order to bring a successful negligence claim
Duty of care: whenever one can reasonably foresee that one’s conduct may cause harm to another Breach of duty: the claimant must show that the defendant fell below the required standard of care Causation: the claimant must establish that (s)he would not have come to harm but for the actions of the doctor
498
What are the two definitions of death that are relevant to organ donation
Brain stem death: irreversible cessation of brain stem function Circulatory death: irreversible cessation of cardiorespiratory function
499
What is the acid test?
How to decide whether someone is being deprived of liberties (by lady hale) Objective - Person must be under continuous supervision and control and not free to leave Subjective - Person lacks capacity to consent to their living arrangements
500
Describe and explain an ethical consideration that might be relevant when considering implementing a screening programme.
Respecting patient autonomy. This may require that patients are given the freedom to decide whether to participate in a screening programme, given enough information to make an informed choice, and in an environment where they are free from coercion (e.g. pressure from the treating clinician).
501
Define a schema
A cohesive, repeatable action sequence possessing component actions that are tightly interconnected and governed by a core meaning.
502
2 ways that child builds up knowledge
Assimilation - An existing schema works well for a new situation so new knowledge is assimilated into existing schema Accomodation - No exisiting schema fits the new situation, so schema must be altered to accommodate new informtion.
503
Factors affecting concordance
``` Patient centred Therapy related Social and economic Healthcare system Disease ```
504
Define attribution bias
We attribute our errors to situational factors but others errors to character flaws
505
What's meant by discounting of disconfirmatory evidence?
Tendency to stick with a diagnosis once it's been chosen even when conflicting information comes in
506
What is availability bias?
Tending to come up with a solution that happens to be on your mind
507
What is affective bias?
Basing your decisions on emotional reaction to a patient
508
What is meant by the danger space in the neck? | What is its significance?
Potential space between the alar fascia and prevertebral fascia that communicates with the posterior mediastinum to diaphragm level
509
What do the carotid sinus and carotid body sense?
Carotid sinus senses pressure Carotid body senses mainly PO2 and PCO2
510
What are the B symptoms of lymphoma
``` Night sweats Fever Weight loss Persistent tiredness N+V ```
511
3 signs which would be relevant to lymphoma
``` Hepatomegaly Splenomegaly Anaemia Other palpable lymph nodes Systemic features (fever, anorexia) ```
512
3 features of a breast lump that could be indicative of breast cancer
``` Firmness or hard irregularity Tethering Lymphadenopathy Nipple changes Ulceration of breast Peau d'orange ```
513
Give a medical treatment for ectopic pregnancy
Methotrexate | Avoid pregnancy because of persisting teratogenic effect on foetus
514
Two predisposing causes for ectopic pregnancy
PID IUD Tubal/gynaecological surgery
515
What hormone is measured in early pregnancy and what is its function
hCG | Acts on corpus luteum to secrete oestrogen and progesterone
516
What scoring system is used for acute pancreatitis?
``` Glasgow-Imrie PaO2 <8kPa Age >55 Neutrophils >15 Ca2+ <2 Renal: Urea >16 Enzymes: LDH >600 Albumin <32g/L Sugar: Glucose >10mmol/L ```
517
Two systemic manifestations of gonorrhoea
Skin rash - erythema nodosum Eye problems - keratoconjunctivitis Joint problems - Reactive Arthritis
518
Symptoms of hyponatraemia
``` Gait instability Concentration and cognitive deficits Headache Vomiting Drowsiness Seizures ```
519
Which murmur is most associated with AF
Mitral Stenosis
520
Boundaries of the neck
Superior boundary - Inferior mandible and base of skull Inferior boundary - Manubrium, clavicle and actinium to spinous process of C7
521
Three clinical signs on abdominal examination that would be elicited in a patient with ascites
``` Shifting dullness Fullness in flanks Fluid thrill Herniae Dilated superficial abdominal veins ```
522
Boundaries of carotid triangle
Ant - omohyoid (sup. belly) Sup - Digastric (pos. belly) Post - SCM
523
Submandibular triangle borders
Sup - Inferior border of mandible | Inf - Digastric (ant. and post. bellies)
524
Where is the lower back
Area in between base of 12th ribs, buttock creases and mid axillary line
525
What is the mental capacity act 2005?
Sets out legal framework for making decisions for people who lack capacity to make decisions for themselves
526
5 key principles of MCA
``` Assume capacity unless proven otherwise Unwise decision doesn't mean lack of capacity Best interests All practicable help given Least restrictive ```
527
Features of subcortical dementia
Apathetic Forgetful and slow Impaired visuospatial abilities Depression of mood
528
Features of cortical dementia
Higher cortical abnormalities Dysphasia Agnosia Apraxia
529
2 examples of subcortical dementia and 2 examples of cortical
Subcortical - HD - Parkinson's - Normal pressure hydrocephalus Cortical - Alzheimers - Creutzfeld-Jakob disease - Frontotemporal dementia
530
What is the most common infectious organism responsible for bronchiolitis?
Respiratory syncytial virus (RSV)
531
What test should be used to confirm a diagnosis of gestational diabetes?
2 hour OGTT - value of 7.8mmol/L or above is diagnostic
532
Give 3 risk factors for a woman developing gestational diabetes
BMI > 30 Previous gestational diabetes FHx of diabetes mellitus
533
3 complications of gestational diabetes in mother/baby/foetus
Shoulder dystocia Macrosomia Higher risk of preeclampsia and later diabetes
534
What is the target range of fasting blood glucose for women with gestational diabetes?
5.3mmol/L
535
What foetal investigations should be offered to mothers with gestational diabetes?
USS for foetal growth and amniotic fluid volume - every 4 weeks from 28 to 36 weeks USS for congenital malformations should be offered at 20 weeks
536
What does NICE recommend post partum for women who had gestational diabetes?
Women should be offered lifestyle advice and offered a fasting plasma glucose measurement but not a OGTT
537
4 causes of azoospermia
Vasectomy Hypogonadism Undescended testes Anti-sperm antibodies
538
Give 2 further investigations to help assess cause of azoospermia
Serum LH | Serum FSH
539
Two options for a couple who are infertile due to azoospermia
Adoption | Donor insemination
540
Give 2 risk factors for developing psoriasis
Drugs e.g. Lithium, beta blockers, alcohol Genetic link - first degree relative suffering from it Stress
541
What is the Koebner phenomenon? | What conditions is it associated with?
It is the development of a skin lesion at the site of an injury Occurs in psoriasis, vitiligo, lichen plants, viral warts