public health Flashcards

(133 cards)

1
Q

Definition of domestic abuse

A

Any incident or pattern of incidents of controlling, coercive, threatening behaviour, violence or abuse between those aged 16 or over who are or have been intimate partners or family members regardless of gender or sexuality

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2
Q

Types of abuse

A
psychological
physical
sexual
financial
emotional
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3
Q

Impact of domestic abuse on health

A

Traumatic injuries
Somatic problems (GI, headaches, chronic pain)
Psychological (PTSD, depression, anxiety)

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4
Q

Indicators of domestic abuse

A

Not witnessed by anyone
Repeat attendance
Delay in seeking help
Many women are prevented by perpetuator from seeking help

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5
Q

Risk levels of domestic abuse

A

STANDARD: current evidence does not indicate likelihood of serious harm
MEDIUM: Identifiable indicators of risk but serious harm unlikely unless there is a change in circumstances
HIGH: imminent risk of harm

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6
Q

Interventions for domestic abuse

A

MARAC - multi agency risk assessment conference
IDVA - independent domestic violence advisor
Domestic homicide review

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7
Q

Primary prevention

A

Prevent disease before it ever occurs

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8
Q

Secondary prevention

A

Early detection and prompt effective intervention

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9
Q

Tertiary prevention

A

Reduce long term impairments or disabilities

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10
Q

Population approach to screening

A

Population wide basis to shift risk factor distribution curve

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11
Q

High risk approach

A

Identify individuals above a certain cut off and treat them

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12
Q

Types of screening

A
Population based
Opportunistic
Screening for communicable disease
Pre employment/occupational
Commercially provided
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13
Q

Wilson and Junger screening criteria

A

Important health problem
Latent/preclinical phase
Natural Hx known
The Test:
has to be suitable (sensitive, inexpensive, specific) and acceptable
The Treatment:
has to be effective and an agreed policy on whom to treat
The organisation:
Facilities, costs and benefits, on-going process

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14
Q

Sensitivity

A

Proportion of people with the disease who are correctly identified by the screening test

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15
Q

Specificity

A

Proportion of people without the disease who are correctly excluded by the test

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16
Q

PPV

A

Proportion of people with a positive result who actually have the disease

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17
Q

NPV

A

Proportion of people with a negative result who do not have the disease

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18
Q

Lead time bias

A

Length of time between detection of disease and its usual clinical presentation/diagnosis

E.g Huntingdon’s (detection may not actually prolong life)

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19
Q

Length time bias

A

A comparison of survival in screen detected patients with non screen detected patients may be biased as there will be a tendency to compare less aggressive with more aggressive cancers

E.g. ‘slow growers’ more likely to be detected on screening

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20
Q

What is epidemiology?

A

The study of the frequency, distribution and determinants of diseases and health related states in populations in order to prevent and control disease

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21
Q

Incidence

A

No. of new cases present during a specific time period

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22
Q

Prevalence

A

No. of existing cases

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23
Q

Incidence rate

A

No of new cases per population AT RISK during a given time period

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24
Q

Absolute risk

A

Has units e.g. 50/1000

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25
Relative risk
Risk in one category relative to another
26
Attributable risk
The rate of disease in exposed that may be attributed to the exposure (DIFFERENCE)
27
Relative risk
Exposed vs unexposed (DIVIDE)
28
Bias
A systematic error which leads to a distortion from the true underlying association
29
selection bias
error is in the selection of study participants or the allocation of participants to different groups
30
information bias
error in measurement or classification of exposure or outcome
31
Confounding
The situation where a factor is associated with the exposure of interest and independently influences the outcome but DOES NOT lie on the causal pathway
32
Factors to consider for causality
``` Strength of association Dose-response Consistency Temporality Reversibility Biological plausibility ```
33
Determinants of health
``` Genes Environment Lifestyle Healthcare Education Living and working conditions Age Sex Constitutional factors ```
34
Equtiy vs equality
Equity - what is fair and just | Equality - concerned with equal shares
35
Horizontal equity
Equal treatment for equal need
36
Vertical equity
Unequal treatment for unequal need
37
THREE DOMAINS OF PH
Health improvement Health protection Improving services
38
THREE LEVELS OF PH
Individual Community Ecological (population)
39
Health behaviours 3 main categories
Health behaviour = a behaviour aimed to prevent disease Illness behaviour = a behaviour aimed to seek remedy Sick role behaviour = and activity aimed at getting well Health - eat healthy Illness - go to Dr Sick - take medicine
40
Reasons for non compliance
``` Don't understand why taking meds Side effects Memory loss Reputation Socioeconomic status ```
41
What is health promotion
The process of enabling people to exert control over their determinants of health (POPULATION LEVEL)
42
Examples of health promotion
Change 4 life, stoptober, movember
43
Patient centered approach
Care responsive to INDIVIDUAL needs
44
Are the effects of intervention restricted to one level?
``` NO e.g. alcohol individual - consumption local - sales, community crime population - national sales and stats ```
45
Unrealistic optimism what is it?
Individuals continue to practice health damaging behaviours due to INACCURATE PERCEPTIONS OF RISK AND SUSCEPTIBILITY
46
why do people think they're not at risk
Lack of personal experience with problem Belief that problem is preventable by personal action Belief that if problem not occurred already its unlikely to Belief that problem infrequent
47
How to promote behaviour change according to NICE?
``` Work with patients priorities aim for easy changes over time set and record goals plan coping strategies review regularly ```
48
Health belief model?
``` Patients will change if they believe: they are susceptible to the condition it has serious consequences taking action reduces susceptibility benefits of action outweigh costs ```
49
Why is health belief mode not good?
doesn't account for emotions impact of behaviour
50
Theory of planned behaviour
Best predictor of behaviour is intention
51
TTM
``` Precontemplation Contemplation Preparation Action Maintenance ```
52
Transition points for change?
``` Leaving school entering workforce parenthood unemployment retirement bereavement ```
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What is health?
Biomedical: absence of disease Psychosocial: stress and fn Lay views: felt and expressed needs
54
HOW to do a health needs assessment
NEED - ability to benefit from an intervention Demand - what the people want Supply - what is provided
55
Difference between health need and health care need?
health care need is more specific
56
Different types of need?
Felt need - individual perceptions of variation from normal health Expressed need - individual seeks help to overcome variation Normative need - professional defines intervention Comparative need - comparison between severity, range of interventions and cost
57
Approaches to need
comparative, epidemiological, corporate
58
What is needed and supplied but not demanded?
Screening, GUM contact tracing, MMR
59
What is needed but not supplied or demanded?
Treatment of child abusers, some palliative stuff, contraception in some countries
60
Needed and demanded but not supplied?
waiting lists
61
Supplied and demanded but not needed?
ABx for sore throat, cosmetic surgery
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Supplied and demanded and needed
PERFECTION
63
Framework for evaluation of health services
structure - whats there e.g. equipment staff buildings process - whats done e.g. no of patients seen outcome - mortality, QOL, satisfaction
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Qualitative methods of evaluation of health service?
observations interviews focus groups review of documents
65
quantitative methods of evaluation
Routinely collected data Review of records Surveys Epidemiological methods
66
What makes a communicable disease of PH importance?
``` High mortality (RABIES) High morbidity (HUS) Highly contagious (influenza) Expensive to Rx (HIV) Effective intervention is available (hep B) ```
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10 notifiable diseases
``` enceph meningitis polio hepatitis anthrax cholera diptheria HUS food poisining in clusters enteric fever leprosy plague malaraia measles mengingococcal sepsis rabies SARS smallpox tb whooping cough ```
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Cluster of disease
An aggregation of cases | MAY OR MAY NOT BE LINKED
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Suspected outbreak of disease
Occurence of more cases of disease than normally expected within a specific place or group 2+ cases linked through common exposure single case of rare or serious disease (polio, rabies)
70
Confirmed outbreak of disease
link confirmed through investigation
71
Physical effects of dependent drug use
``` OD Constipation Injection - DVT, abscess, infection, loss of IVI Viruses Vasoconstriction Dependency - ```
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Psychological effects of dependent drug use
``` craving fear of withdrawal social exclusion guilt imprisonment effects on families financial criminality ```
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OPIOID Rx
``` Psychological intervention Referral for allied problems (Hep, STI) Detox - LOFEXIDINE + BUPRENORPHINE Maintenance - MATHADONE (full ag) or BUP (part ag) Relapse prevention - NALTREXONE ```
74
Alcohol limits M+F
14 units/ week Spread drinking evenly over 3 days Several drink free days per week
75
what is 14 units
6 pints 6 glasses of wine 14 spirits
76
Whats a unit?
8g of ETOH | %xml/1000
77
Ax of alcohol dep
``` genetics personality gender religion occupation childhood problems early use of substances depression peers social deprivation ```
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How will alcohol kill you?
``` Accidents Violence Malignancy CVA CHD ```
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Some health problems caused by ETOH>
``` GI cancer Liver - fatty liver, cirrhosis, alcoholic hepatitis, HCC CV - hyperlipidaemia, htn, AF Neuro - stroke MSK Birth defects miscarriage and foetal alcohol syndrome ```
80
Foetal alcohol syndrome?
Small underweight babies with slack muscle tone Mental retardation, behavioural and speech problems Characteristics: Thin upper lip, microcephaly, upturned nose, hypoplastic jaw, epicanthic folds, short palpebral fissure
81
PH interventions alcohol?
``` Minimum unit pricing Change licensing laws Screening by healthcare workers Increasing price More joined up services ```
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GP Rx of alcoholic?
Address other health issues Consider vitamin supplementation Assess IHD risk Assess osteoporosis risk
83
Alcohol screening?
CAGE AUDIT FAST PAT
84
Relapse prevention?
Disulfiram - causes acute sensitivity to etoh - inhibits acetaldehyde dehydrogenase Acamprosate - gaba blocker Naltrexone - anitcrave
85
DTs
3-5 days toxic confusional state clouding of consciousness, seizures, confusion, hallucinations, tremor Rx - fluids benzo - chlordiazepoxide
86
Wernicke?
b1 deficient Reversible acute confusion, ophthalmoplegia, ataxia Rx IV/IM/PO B1
87
Korsakoff?
IRREVERSIBLE Amnesia - short term memory, loss of spontaneity or initiative, apathy, confabulation Dx - CT Rx - Thiamine
88
Health problems of homeless?
``` ID - TB, hep Resp Addiction Psych Malnourishment Sexual health ```
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Barriers to healthcare
``` Language Stigma Education Inverse care law physical - transport ```
90
Refugee?
Owing to well founded fear of being persecuted is outside of country of nationality and unable to return
91
Asylum seeker?
submitted application to be recognised as refugee and waiting for claim to be decided by home office
92
Refugee status?
indefinite leave to remain - HAVE ALL RIGHTS OF UK CITIZEN
93
Asylum seeker - what can they get
money, housing, NHS, u18 education | NOT EMPLOYMENT
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Resource allocation | Egalitarian principles?
NHS founded on requirement to provide all care that is necessary and appropriate to everyone
95
Maximising principle?
Criteria that maximise public utility
96
Libertarian approach?
Each is responsible for their own health, wellbeing and fulfilment of plans
97
Person approach to patient safety?
focus on the individual - blame/fault/shame
98
System approach to patient safety?
focus on working conditions - recognise errors and implement defences
99
Tools of risk identification?
``` Incident reporting Complaints and claims Audit External accreditation Active measurement ```
100
what is a NEVER EVENT?
cause harm or death to patients - should never occur if correct protocols followed
101
What are some never events?
``` Wrong site/implant for surgery Wrong drug preparation/route/dose Retained foreign object of surgery Falls from windows Trapped in bed rails Misplaced NG tube Death due to PPH ```
102
The conformity problem
The greater the benefits and lower the likely consequences the more common it is for people to migrate towards working in ways that they know to be wrong or break the rules Over time these ways become integrated into culture and normalised
103
Theory of planned behaviour
Behaviours are driven by attitudes, self efficacy, perceived control and subjective norm
104
Duties of a Dr?
Make care of pt first concern Take prompt action if you think patient safety is being compromised Be honest and open and act with integrity
105
How do things go wrong?
Human error - communication, judgement, omissions, lapses Neglect - necessary care is withheld Poor performance - attitude problem
106
What is deliberate harm?
serious - shipman | minor - rough handling
107
what is lack of candour?
hiding own or others mistakes, altering records
108
what is some forms of fraud in medicine?
Expenses, drugs, alcohol, time (pretending you're ill)
109
How to prove medical negligence?
Was there a duty of care? Was there a breach in the duty of care? Did the patients come to harm? Was the harm due to the breach?
110
Bolam test
would a group of reasonable doctors do the same?
111
Bolitho test
would it be reasonable for them to do so?
112
Psychological Rx of sex problems
1. Integrative - psychosexual x physical 2. CBT - Sensate focus // self growth 3. Psychodynamic - past events, attachments 4. systemic - interactions and roles in the relationship
113
Swiss cheese model?
organisational influences, supervision, preconditions, specific acts
114
Bloods for sexual dysfn?
``` Fasting BM Testosterone SHBG Albumin FAI PL TSH OESTROGEN FBC ```
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Hypoactive sexual desire disorder?
Lack or loss of sexual desire - makes initiation less likely Ax: Chronic medical conditions: obesity, dm, cvd Androgen deficiency, highPL, lowTFT, Addisons Psych: low mood, anxiety, body image Rx testosterone replacement Integrative, behavioural, cognitive, CBT, psychodynami Tx
116
Erectile disorder
Difficulty in developing or maintaining an erection suitable for satisfactory sexual intercourse ``` Ax- CVD, neuro, DM Drugs - SSRI Prostate surgery Anxiety, Depression Pain Insufficient stimuli Age Substance abuse ``` Rx - sildenafil, alprostadil (inj) Vacuum, ring, pump, implant
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Female sexual interest/arousal disorder
``` Failure of genital response - VAG DRY Ax - CVD, DM, NEURO, CONN TISS disorder oestrogen deficiency antidepressants lactation depression anorexia ``` ``` Rx Couples therapy sensate focus CBT Lubricant Eros device ```
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Female orgasmic disorder
``` Orgasm doesn't occur or markedly delayed CVD/DM/Neuro/renal/liver dis Oestrogen, thyroid, androgen def pelvic floor weakness ageing SSRI Rx oestrogen + therapy + meds r/v ```
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Rapid ejaculation
<1 minute // before they want Ax - genetic, penile hypersensitivity, hyperthyroid, prostatitis, ED, Anxiety, lack of experience Rx- STUD spray, couple pshcosexual therapy, stop/start or kegel excercises
120
Vaginismus
Spasm of pelvic floor muscles causing occlusion of vaginal opening --> penile entry impossible Ax Fear, prev abuse, thrush, FGM, Cong abnormality, Religion, Fear of pregnancy, fear of partner Rx psychosexual therapy Vaginal trainers personal exploration, sexual growth programme
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Dyspareunia
Pain during intercourse attributed to local pathology | Ax - infection, injury, endometriosis, poor lub, adhesions
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COHORT STUDY
Get a cohort --> exposure --> f/u over time Good - for rare exposures, can identify RF Bad - expensive and time consuming
123
CASE CONTROL STUDY
did HRT cause it
124
CROSS SECTIONAL STUDY
Observational: collect data at specific point in time GOOD - quick, can still show changes over time BAD - observer bias, reverse causality
125
RCT
Group----- divide to placebo + exposure ---> outcome GOOD - establish causation and comparative BAD - expensive, drop outs, ethical issues
126
What is scarcity?
Finite limit to resources
127
What is opportunity cost?
sacrifice in terms of benefits forgone from not allocating resources to next best activity
128
What is equity?
fairness/justice of distribution of costs and benefits
129
What's economic evaluation?
Comparative study of costs and benefits of interventions
130
QALY
lenght of life x units of quality of life (0-1)
131
4 types of economic evaluation
Cost effectiveness - natural units Cost utility - QUALYS Cost benefit - monetary units Cost minimalisation - try to reduce cost for same effectiveness Rx
132
NICE threshold for intervention
+ve incremental cost + +ve incremental QALY | <20,000 pounds per QALY gained
133
ICER
Incremental cost effectiveness ratio | = incremental cost / incremental QALYS