Paediatrics Flashcards

Paediatrics core conditions questions (280 cards)

1
Q

Definition of chronic constipation

A

2 or more of the following in last 8 weeks:

  • Less than 3 bowel movements a week
  • 1 episode of incontinence a week
  • Stools blocking toilet
  • Stool palpable in abdomen
  • Retentive posturing/ with-holding behaviours
  • Painful defecation
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2
Q

What percentage of children are affected by constipation?

A

5-30%

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3
Q

What percentage of constipation is idiopathic?

A

90%

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4
Q

Red flags for constipation- action taken

A

Don’t treat constipation, refer

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5
Q

Red flags for constipation

A
  • Failure to pass meconium within 48h of birth
  • ‘Ribbon stools’ suggests anal stenosis
  • Failure to thrive
  • Gross abdominal distension
  • Lower limb neurology
  • Urinary incontinence
  • Signs of spina bifida (sacral dimple, naevi, hairy patch)
  • Abnormal anorectal anatomy
  • Perianal bruising/ fissures (?sexual abuse)
  • Perianal fistulae/ abscesses
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6
Q

Amber flags for constipation: action performed

A

Treat constipation and initiate further relevant Ix

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7
Q

Amber flags for constipation

A

Faltering growth
? Maltreatment
Peri-anal streptococcal infection

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8
Q

When should a referral be made for constipation not responding to treatment

A
4 weeks (under 1s)
3 months (older children)
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9
Q

First line treatment for constipation

A

Polyethylene glycol 3350 + Electrolytes (Movicol Paediatric Plain)

Dose escalation over 2 weeks if impaction

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10
Q

Second-line add-ins for constipation

A

Stimulant laxatives e.g. Sodium picosulfate, Bisacodyl, Senna, Docusate

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11
Q

Which medications should only be added for impaction when everything else has failed?

A

Rectal medications/ enemas e.g. Sodium citrate

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12
Q

Signs suggesting hypernatraemic dehydration in Gastroenteritis

A
Jittery movements
Increased muscle tone
Hyperreflexia
Convulsions
Drowsiness or coma
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13
Q

When may stool MC+S be indicated in gastroenteritis?

A
Sepsis
Blood or mucous in stools
Immunocompromised
Caught abroad
Not improving within 7 days
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14
Q

When are antibiotics indicated for gastroenteritis?

A
Septicaemia
Salmonella ( under 6 months)
C. difficile
giardiasis
dysenteric shigellosis
dysenteric amoebiasis cholera
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15
Q

Dose of Oral Rehydration Solutions

A

50ml/kg over 4 hours + maintenance

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16
Q

How long does gastroenteritis last?

A

diarrhoea usually lasts for 5–7 days, and in most it stops within 2 weeks

vomiting usually lasts for 1–2 days, and in most it stops within 3 days

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17
Q

Important investigations in gastroenteritis

A

Glucose (children at much higher risk of hypoglycaemia)

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18
Q

Risk factors for Gastro-oesophageal reflux

A
Cerebral palsy
Neurodevelopmental disorders
Obesity
Family history
Congenital atresia
Pyloric stenosis
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19
Q

Why are infants at a high-risk of reflux?

A
  • Short, narrow oesophagus,
  • Delayed gastric emptying
  • Immature lower oesophageal sphincter that is slightly above rather than below the diaphragm
  • Liquid diet
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20
Q

Indications for investigation in Gastro-oesophageal reflux?

A
Unexplained feeding difficulties
Distressed behaviours
FTT
Chronic cough
Hoarseness
Pneumonia
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21
Q

Complications of GOR

A
Oesophagitis
Recurrent aspiration/ pneumonia
Sandifer Syndrome (Dystonic neck posturing)
Frequent OM
Dental erosion
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22
Q

What is posseting

A

Milk coming out of the babies mouth after feeding (only a small amount)

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23
Q

Thickeners for GOR in bottle fed babies

A

rice starch, corn-starch, locust bean gum or carob bean gum

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24
Q

Indications for 4 week trial of a PPI/ H2 antagonist in GOR

A
  • unexplained feeding difficulties (refusing feeds, gagging or choking)
  • distressed behaviour
  • faltering growth
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25
A common complication of viral gastroenteritis
Transient lactose intolerance
26
Extra-abdominal causes of acute abdominal pain in children
Lower lobe pneumonia URTI Testicular torsion Hip and spine
27
Meckel's diverticulum as a cause of acute abdominal pain- rule of 2's
Is the most common congenital abnormality of the GI tract. Presentation includes PR bleeding, obstruction, volvulus, intussusception, inflammation, perforation 2% of population affected 2% of these are symptomatic Lesions are 2cm long Normally 2 feet from the Ileocaecal valve 2/3 have ectopic tissue, of which there are two types (gastric and pancreatic)
28
In what percentage of children is a structural cause of recurrent abdominal pain identified?
10%
29
Symptoms that suggest organic disease in recurrent abdominal pain
``` Epigastric pain at night (peptic ulceration) Jaundice Haematemesis Diarrhoea Weight loss FTT Vomiting Dysuria/ secondary eneuresis Billous vomiting Abdominal distension ```
30
Abdominal migraine
Abdominal pain associated with headaches Midline pain, vomiting, facial pallor Common in families with FH of migraine
31
IBS in children
Common when family history or psychosocial issues - Abdominal bloating relieved by defecation - Explosive stools - Feeling of incomplete empyting - Constipation alternating with normal stools
32
Risk factors for Coeliac disease in children
T1DM Thyroid disease Turner's syndrome Family history
33
Protective factors against coeliac disease in children
Breastfeeding alongside gluten introduction
34
Investigations for Coeliac disease
Antibody testing whilst eating gluten: - Tissue Transglutaminase (tTGA) antibodies - IgA Endomysial antibodies (EMA) Less reliable in children under 18 months Other tests: Endoscopy (villous atrophy) Ferritin, B12, Hb blood tests
35
Presentation of colic
Paroxysmal crying with legs pulled up, occurring 3+ hours for 3+ days of the week Suggests: - Feeding difficulties - Inadequate milk supply - Hungry baby - Relationships/ bonding issues
36
Management of colic
Advice and reassurance on: - Stress reduction with feeding - Low allergen diet - Allow baby to finish first breast first before beginning second breast
37
Presentation of a strangulated hernia
Vomiting Irritability Tachycardia Oedematous/erythematous skin
38
Management of umbilical hernias
96% will close by 3 months if less than 0.5cm If still present aged 3-5, unlikely to close so will be repaired surgically for cosmetic reasons 9X more common in black than caucasian children
39
Presentation of intussusception
Paroxysmal SEVERE colicky pain and pallor (particularly around mouth). Drawing up of the legs Early profuse vomiting which becomes bile-stained quickly Refusal of feeds Dehydration ± shock and pyrexia Mucoid and ‘redcurrant jelly’ bloody stools (later sign)
40
Signs of Intussusception
Target sign on USS | Dance's Sign (absence of bowel in right lower quadrant)
41
Why is jaundice rare in older infants
Most causes are detected upon the Guthrie test
42
Liver causes of jaundice in children
* CF * Wilson’s disease * Post-viral hepatitis * IBD * Primary sclerosing cholangitis * A1 antitrypsin deficiency * Bile duct lesions
43
Causes of conjugated jaundice in children
- Biliary atresia - Urinary Tract Infection - Hypothyroidism - Neonatal Hepatitis Syndrome
44
Mesenteric adenitis presentation and management
Abdominal pain (commonly central or in RIF) following a viral infection - Fever, malaise, nausea and diarrhoea all common - Preceded by viral or bacterial infection ? coryzal symptoms Treat with PRN analgesia but may require surgical opinion
45
Risk factors for Pyloric stenosis development
``` Family history Primips Boys Erythromycin exposure Prematurity ```
46
ABG findings in pyloric stenosis with dehydration
Metabolic alkalosis with hypochloraemia and hypokalaemia
47
USS findings in pyloric stenosis
Muscle thickness >4mm Muscle length > 18mm Absence of fluid passage past the sphincter, despite gastric peristalsis
48
Which side is more commonly affected in testicular torsion
Left
49
Why might hormonal injections be used in undescended testes?
HCG injections can detect presence of impalpable testes as it induces a rise in serum testosterone
50
Hepatitis A in children
Follows close contact or travel to an endemic area - Asymptomatic or mild self-limiting illness with full recovery in 2-4 weeks - Symptomatic treatment ± - Human Normal Immunoglobulin (HNIG) prophylaxis for close contacts
51
Hepatitis B and C in children
May be acquired in travel to areas with high-prevalence e.g. Sub-Saharan africa, South america, Far east - May be acquired from maternal infection, blood products Hep B is normally self resolving in older children. In younger children it may symptomatic but risk of chronic disease is 90% Hep C is slower and more chronic however 75% will inherit chronic disease - Pharmacological management reduces the risk of cirrhosis and hepatocellular carcinoma and liver failure. - Pegylated Interferon alpha-2a (blocks viral protein synthesis) or antivirals (Lamivudine)
52
Autoimmune Hepatitis
May present as an acute or chronic hepatitis, or in a similar way to cirrhosis. Corticosteroid management is needed. Some children may need a liver transplant.
53
Fulminant hepatitis
Associated most commonly with paracetamol overdose causing necrosis and loss of liver function. LFTs and clotting are deranged, cerebral oedema occurs. Treat by managing blood glucose, haemorrhage (Vit K, FFP, Cryoprecipitate), and preventing sepsis
54
Medical conditions associated with diabetes in children
``` Family History- PATERNAL > maternal HLA-DR3/4 genes Hypothyroidism Addison’s Disease Coeliac Disease Rheumatoid Arthritis Cystic Fibrosis ```
55
Maturity-Onset Diabetes of the Young (MODY)
Represents 5% of all diabetes in white children Is an autosomal-dominant presentation MODY3 most common subtype and is similar to T2DM
56
Blood glucose diagnosis of Type 1 diabetes
Random >11 mmol/L | Fasting > 7 mmol/L
57
Blood glucose control targets in T1DM
4-7 mmol/L before meals/ waking 5-9 mmol/L after meals HbA1c 48mmol/mol (6.5%)
58
Basis of insulin calculations for T1DM
- 1U reduces blood glucose by 5mmol/L when over 7mmol | - 1U accounts for 10g of carbohydrates consumed
59
Important complications of DKA in children
``` Cerebral oedema Leucocytosis Infection Creatinine Hyponatraemia Ketonuria Hypokalaemia VTE ```
60
Growth adjustment considerations to make in premature babies
Should reach normality in: HC at 18 months Weight at 24 months Height at 40 months
61
Weight change in first week of life
Babies may lose up to 10% weight in first week of life | Normally re-gained by 3 weeks
62
NICE recommendations for identifying faltering growth/ FTT:
- Fall across 1+ weight centiles if birth weight below 9th centile - Fall across 2+ weight centiles if birth weight between 9th and 91st centiles - Fall across 3+ weight centiles if birth weight above 91st centile - Current weight below 2nd centile regardless of birth weight
63
When should children be admitted for FTT?
If under 6 months and severe FTT
64
Most common enzyme deficiency in Congenital Adrenal Hyperplasia
21 Hydroxylase (needed for cortisol synthesis; leads to elevated ACTH and testosterone production)
65
Metabolic disturbances in Congenital Adrenal Hyperplasia
``` Raised 17⍺ Hydroxyprogesterone Low Na+ High K+ Metabolic Acidosis Hypoglycaemia ```
66
Acute Adrenocortical Crisis
Vomiting, dehydration, abdominal pain, lethargy | Treat with hydrocortisone, saline, glucose, fludrocortisone
67
Presentation and Management of Congenital Adrenal Hyperplasia
Female genital virilisation Penis enlargement and precocious puberty in boys Tall stature (non-salt losers) muscular build, adult body odour, pubic hair Requires lifelong glucocorticoid treatment to suppress ACTH and surgical correction of ambiguous genitalia
68
Which gene promotes formation of male genitalia (and if not present, female genitalia are formed)?
SRY gene Production of Anti-Mullerian hormone occurs
69
Causes of Disorders of Sexual Development/ Ambiguous genitalia in genetic females
CAH- virilisation May have: Clitoral hypertrophy of any degree Vulva with single opening
70
Causes of Disorders of Sexual Development/ Ambiguous genitalia in genetic males
Androgen insufficiency Gonadotrophin insufficiency e.g. Prader-Willi, Congenital Hypopituitarism, Ovotesticular disorder May have: Severe hypospadias with bifid scrotum Undescended testes with hypospadias Bilaterally non-palpable testes in a full-term male infant
71
Definition of precocious puberty
Puberty beginning before: - 8 in girls - 9 in boys
72
Path of puberty in males
Testicular enlargement first sign Growth spurt 18 months later Pubic hair development
73
Puberty in females
Breast development first sign Menarche follows ~2.5 years after breast development (at stage 4 most commonly) Pubic hair development
74
Causes of Gonadotrophin-Dependent precocious puberty
90% idiopathic due to premature activation of Hypothalamic - Pituitary axis Rare causes: CNS tumours/ pathology
75
Causes of Gonadotrophin-Independent precocious puberty
``` Production of sex hormones from excess steroids Familial or Idiopathic (usual cause in females) Gonadal tumour in males Stress CNS tumours Craniopharyngioma Thyroid disorders Meningoencephalitis 21-Hydroxylase Deficiency (CAH) McCune Albright Syndrome ```
76
Delayed puberty definition
Absence of puberty features by: - 14 in girls 15 in boys
77
What is Tanner Stage 1 of puberty?
No puberty occurred
78
Low gonadotrophin causes of Delayed puberty (hypogonadotropic hypogonadism)
``` o CF o Severe asthma o Crohn’s Disease o Organ failure o Anorexia nervosa o Starvation o High exercise levels o Panhypopituitarism o IC tumours o Kallmann Syndrome ```
79
High gonadotrophin causes of (hypergonadotropic hypogonadism)?
Klinefelter’s Syndrome Turner Syndrome Gonadal damage
80
Foetal thyroid function
Reverse T3 production (largely inactive) | Surge in TSH leads to high T3 and T4 at birth
81
Features of acquired hypothyroidism specific to children
Growth Failure Delayed puberty Slipped upper femoral epiphysis Learning difficulties
82
Conditions associated with acquired hypothyroidism
Down's and Turner's Syndromes
83
Features of Congenital Hypothyroidism specific to children
``` Failure to thrive and delayed development Feeding problems Constipation Reduced crying Prolonged jaundice Coarse facies Umbilical hernia Cold, mottled dry skin Narrow palpebral fissures Depressed nose bridge Swollen eyelids Large fontanelles ```
84
Biochemical defect in Phenylketonuria (PKU)
High phenylalanine due to deficiency of Phenylalanine Hydroxylase enzyme or its Biopterin co-factor
85
Features of phenylketonuria
Fair hair, eczema, musty odour, developmental delay, mental impairment, fits, eczema, microcephaly
86
Foods to avoid/ restrict in phenylketonuria
Meat, dairy, rice, pasta, aspartame
87
Definition of short stature
Height 2SD below age-adjusted mean- often below 2nd or 3rd centile
88
Most common cause of short stature
Constitutional (80%)
89
Indications for Somatropin (Synthetic Growth hormone in Short stature
Somatropin increases growth VELOCITY to 50% of baseline within first year of treatment o Have GH deficiency o Have Turner’s o Have Prader-Willi o Have CKD o SFGA with subsequent growth failure at 4 or older o Short stature homeobox-containing gene deficiency
90
NICE definitions of obesity
* BMI >91st centile – Overweight * >98th centile – Obese * >99.6th centile – severely obese
91
Consequences of obesity in children
Slipped Upper Femoral Epiphyses Blount's disease (a development abnormality of the tibia resulting in bowing of the legs) Musculoskeletal pains Poor self-esteem, bullying sleep apnoea benign intracranial hypertension increased incidence of type 2 diabetes mellitus, hypertension and ischaemic heart disease etc.
92
Indications for drug treatment of obesity in children (Orlistat)
Over 12, significant physiological or psychological co-morbidities
93
Age which febrile seizures occur
6 months to 6 years
94
Features of a Simple febrile seizure
``` Isolated tonic-clonic rhythmic seizure activity Lasts LESS than 15 minutes Complete recovery within 1 hour No recurrence in 24 hours No recurrence in the same illness ```
95
Features of a Complex febrile seizure
Any of: ``` Lasts longer than 15 minutes Focal seizure activity Incomplete recovery within 1 hour Recurrence within 24 hours Recurrence within the same illness ```
96
Symptoms seen in a simple febrile seizure
``` Lasts 2 -3 minutes Rolling back of the eyes Foaming at the mouth SOB, pallor, cyanosis Post-ictal drowsiness lasting less than 1 hour ```
97
Fever- temperature in febrile seizures
38 degrees
98
Reasons to consider hospital admission after febrile seizure
``` First febrile seizure Seizure lasting over 15 mins Focal seizure Seizure recurring within same febrile illness within 24 hours Incomplete recovery after one hour Child under 18 months ```
99
Antenatal risk factors for cerebral palsy
Chorioamnionitis Maternal respiratory/ urinary infection TORCH infection Preterm birth (risk of periventricular leukomalacia)
100
Perinatal risk factors for cerebral palsy
``` Placental abruption Hypoxic-Ischaemic birth injury Neonatal encephalopathy Neonatal sepsis Low birth weight Low APGAR score at birth ```
101
Postnatal risk factors for cerebral palsy
``` Meningitis/ Encephalitis Head Trauma Hypoglycaemia Hydrocephalus Hyperbilirubinaemia ```
102
General features of Spastic Cerebral palsy
``` Most common types UMN lesions (pyramidal, corticospinal) Brisk tendon reflexes and extensor plantar responses Velocity-dependent tone ```
103
Hemiplegic spastic cerebral palsy
Affects either hand or leg (monoplegia), or both unilaterally - Tiptoes walking - Circumduction gait - Growth arrest in extremities - Pronated forearm and fisting
104
Diplegic spastic cerebral palsy
Commonly caused by periventricular leukomalacia All four limbs affected but to a lesser extent than with quadriplegia - Arm deficits are greater with functional use - Scissoring gait
105
Quadriplegic spastic cerebral palsy
The most severe spastic CP - Microcephaly with poor head control - Seizures - Opisothonus - Moderate to severe intellectual impairment
106
Ataxic cerebral palsy
Early trunk and limb hypotonia Impaired force, rhythm and accuracy of movements Delayed motor and intellectual development Behavioural and communication problems Bladder and bowel dysfunction
107
Dyskinetic cerebral palsy
``` Features abnormal recurring movement disorders Commonly caused by HIE and Kernicterus - Floppiness - Poor trunk control - Delayed motor development ``` 3 patterns: Athetosis, Dystonia, Chorea
108
Chorea-pattern cerebral palsy
- Irregular sudden non-repetitive movements | - Reduced tone
109
Dystonic-pattern cerebral palsy
Involuntary and sustained muscle contractions
110
Athetosis- pattern cerebral palsy
Slow 'writhing' distal movements e.g. finger fanning
111
Childhood Absence Epilepsy
Common between 5 and 12 years of age May be triggered by hyperventilation Automatisms common e.g. lip smacking, eyelid flickering, staring Episodes lasting 5-20 seconds Usually remit in adolescence without treatment
112
Juvenile Myoclonic Epilepsy
Most common in teenage girls Common early morning Tonic-clonic seizures, absence seizures 40% are photosensitive, also triggered by sleep deprivation and alcohol Rx: Usually requires lifelong antiepileptics
113
Infantile spasms and West Syndrome
Infantile Spasms: Common at around 5 months of age Head nodding and arm-jerk attacks Occur every 3-30 seconds West Syndrome: As above, plus motor regression and typical EEG pattern Rx: Prednisolone 1st line, Vigabatrin 2nd line
114
Childhood Epilepsy with Centro-Temporal Spikes (CECTS)/ BECTS/ Benign Rolandic Seizures
Peak at 9-13 years Are nocturnal Typically last less than 5 minutes Hemifacial paralysis and paraesthesia, salivation/ drooling
115
Medications available for migraines
Simple analgesia Anti emetics in over 12s (Domperidone, Prochlorperazien) Triptans in over 6 Prophylactic Propanolol, Topiramate, Pizotifen
116
Pharmacological treatment options for Tics (and short-term for Tourette's)
Risperidone, Clonidine
117
Inheritance pattern of Duchenne Muscular Dystrophy
X Linked Recessive Deficiency of Dystrophin protein
118
When is daytime continence usually achieved
24-48 months
119
When is night continence achieved
3-4 years
120
Over what age may Enuresis alarms be considered
7 years Continue use until 2 dry weeks
121
Asymptomatic bacteruria
10^5 Colony Forming Units/mL without any symptoms of UTI
122
What is a MCUG- when used
Micturating Cysturethrogram Used in under 1s to diagnose Vesico-ureteric reflux in recurrent UTI. The child is catheterised and given prophylactic antibiotics; scanned with contrast whilst urinating Commonly only performed in under 1's
123
What is a DMSA scan
Di-mercaptousuccinic acid Scintigraphy Scan Normally performed 6 months after acute infection, it detects renal scarring damage by injection of radioisotope and then scanning.
124
What is the most common cause of AKI in children
Haemolytic Uraemic Syndrome
125
Most common causes of HUS
Gastroenteritis- E coli 0157 or Shigella
126
Triad of features in HUS
AKI Thrombocytopaenia Microangiopathic Haemolytic Anaemia (Coomb's Negative)
127
What is an early sign of HUS
High blood LDH
128
Key signs of HUS
Profuse, Bloody Diarrhoea Followed by Fever, Abdo pain, vomiting, Oliguria
129
Triad of features in Nephrotic Syndrome
Proteinuria Oedema Hyperlipidaemia
130
Most common cause of Nephrotic Syndrome
Minimal change nephropathy
131
Symptoms of Nephrotic syndrome
``` Peri-orbital oedema Limb/ scrotal/ vulval oedema Ascites SOB Cloudy urine with protein casts ```
132
Indications for renal biopsy in children with haematuria
Normal renal function Significant persistent proteinuria Recurrent macroscopic haematuria Abnormal complement levels
133
Definition of haematuria
10 RBCs per high power field
134
Diagnostic criteria for eczema
Itching plus 3 from: - Age appropriate distribution - Personal hx/ 1st degree FH if under 4 - Dry skin in last 12 months - Asthma or allergic rhinitis - Onset under 2
135
Treatment of impetigo
Fusidic acid/ Mupirocin Oral e.g. flucloxacillin if severe/ Bullous
136
What condition is Gower's Sign associated with
Duchenne Muscular Dystrophy Patient has to use arms to 'walk up' their body- its a sign of proximal muscle weakness
137
Common precipitants of Stevens-Johnson Syndrome
``` Allopurinol Anticonvulsants Sulphonamides NSAIDs Penicillins Imidazole Antifungals Sertraline ```
138
Most common organisms of septic arthritis in neonates
Group B Streptococci | Streptococcus pyogenes
139
Most common organism of septic arthritis in older children
Staphylococcus aureus | Haemophilus influenzae
140
Antibiotics for Septic Arthritis: empirical prescribing
Flucloxacillin 2 weeks IV Clindamycin if penicillin allergic Vancomycin: MRSA involved Ceftriaxone/ Cefotaxime: Gonococcal or gram negative infection
141
Kocher Criteria for septic arthritis
Non- Weight Bearing ESR >40 Temperature 38.5+ WCC 12000 cells/mm3 + 1 present: 3% risk 2 present: 40% risk 3 present: 93% risk 4 present: 99% risk
142
Barlow Manoeuvre
Detects an unstable hip by DISLOCATING it (Barlow Breaks) Hip dislocated inferiorly with the thumb and usually clicks if positive
143
Ortolani Manouevre
Relocates a subluxed or partially dislocated hip | Test is negative if dislocation is irreducible
144
Which babies require an ultrasound at 6-8 weeks for DDH
``` Those which are still breech by 36 weeks First degree relative with hip problems as a child Breech presentation at 36 weeks Twins Prem Hip feels unstable ```
145
Management of DDH
Bracing with a Pavlik Harness for children under 6 months | Surgery/ open reduction thereafter, or if the bracing fails
146
Joints most commonly affected by septic arthritis in children
Knee > Hip > Ankle
147
Common precipitating infections for Transient Synovitis/ Irritable hip
Viral URTIs | Gastroenteritis
148
Osteochondritis dissecans
Cracks in the cartilage due to AVN - Pain and swelling of joint - Locking during movement
149
Chondromalacia patellae
Overuse cartilage injury | - Runner's Knee
150
Osgood- Schlatter Disease
Inflammation of the patellar ligament at the tibial tuberosity - Painful bump below the knee, worse with activity (running, jumping) - Most commonly males 10-15
151
Red flags of a limping child
- Pain waking at night (malignancy) - Redness, swelling or stiffness of the joint or limb (infection or inflammatory joint disease) - Weight loss, anorexia, fever, night sweats or fatigue (malignancy, infection or inflammation) - Unexplained rash or bruising - Limp and stiffness worse in the morning - Severe pain, anxiety and agitation after a traumatic injury (compartment syndrome)
152
Management of Perthe's Disease
Conservative if Under 8 or bone age <6 Otherwise: surgery- osteotomy Physio and strengthening
153
Reactive arthritis
Transient joint swelling following an enteric infection e.g. Salmonella, campylobacter etc. - Low fever plus joint swelling - NSAIDs
154
XR findings in Slipped Upper Femoral Epiphysis (SUFE)
Widening of the growth plate (posteriorly)
155
XR findings in Perthe's Disease
Reduction in epiphysis size and lucency Fragmentation and destruction Joint space widening Loss of shenton's lines
156
What does a high ANA predict in JIA
Uveitis risk
157
Features of Oligoarticular JIA
Most common (50%) 1-4 joints affected (called extended if more are subsequently affected) Knee and ankle most common Normally girls, under 6
158
Features of Polyarticular JIA
5+ joints affected | It may be RF positive or negative
159
Features of Systemic JIA
``` Arthritis with 2+ weeks of daily fever Other Sx: - Rash - Lymphadenopathy - Hepatosplenomegaly - Serositis - Salmon pink rash ```
160
Features of Psoriatic JIA
Arthritis then Psoriasis Dactylitis, onycholysis Normally asymmetrical
161
Features of Enthesitis Related JIA
Inflammation at tendon/ ligament sites
162
Features of Iron Deficiency
anaemia and fatigue, impaired cognitive development and reduced growth
163
Features of Zinc Deficiency
Immune deficiency, acrodermatitis, increased childhood illness and death
164
Features of Iodine Deficiency
Causes Goitre, hypothyroidism, growth restriction
165
Features of Vitamin A deficiency
Night blindness, immune deficiency, increased childhood illness and death
166
Bloods findings in Ricketts
Increased Alk Phos and PTH | Low Calcium and Phosphorus
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Guthrie Test- what's included
- Cystic Fibrosis - Sickle Cell Disease - Congenital Hypothyroidism - Phenylketonuria (PKU) - Medium-chain acyl-CoA dehydrogenase deficiency (MCADD) - Maple-Syrup Urine Disease - Isovaleric Acidaemia - Glutaric Aciduria Type 1 - Homocystinuria (pyridoxine unresponsive) (HCU)
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Features of DiGeorge Syndrome (CATCH-22)
``` C: Cardiac Abnormalities A: Abnormal face T: thymic hypoplasia C: Cleft Palate H: Hypocalcaemia ``` 22: 22q11 microdeletion
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What percentage of Down's Syndrome is due to Meiotic Non-Disjunction
94%
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Which chromosome is normally implicated in a T21 Translocation?
Chr 14
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Most common cardiac issues in Down's Syndrome
VSD or Secundum ASD Tetralogy of Fallot Isolated PDA
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What is a concomitant squint
A non-paralytic squint - Normally an esotropia - Refractive error in one or both eyes, commonly due to a neurodevelopmental delay
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What is a paralytic squint
- Motor nerve paralysis e.g. due to a SOL | - Squint varies with gaze
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What is a manifest squint
- Grossly present on observation
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What is a latent squint
A squint that isn't visible on inspection and is produced by the cover test
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Which type of squint are more severe
Tropias are more severe than phorias
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Medical conditions associated with Autism development
Fragile X Neurofibromatosis Type 1 Tuberous sclerosis Phenylketonuria
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What age must autism be diagnosed before
36 months
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Three domains of Autism
Social Interaction Impairment Language and Communication Skills Rigidity of Thinking
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Mainstay of autism treatment
Applied Behavioural Analysis (ABA) - Stops ritualistic behaviours - Improves sleep and social contact - Requires 25-30hrs a week to be successful
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What is Retinopathy of Prematurity associated with
High flow O2 use in premature babies Treated with laser therapy
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Which conditions are associated with cataracts in children
Trisomy 21 Turner's Syndrome Neurofibromatosis Type 2 Juvenile cataracts
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Screening for developmental delay
- Birth Neonatal Examination: Eyes (red reflex), heart, hips, automated screening of hearing - Guthrie Screen at 1 Week (PKU, Hypothyroidism, CF, Hb-opathies, Acylcarnitine) - 8 week general GP examination - 4-5 years (orthoptist) - School Entry: Height and weight, hearing
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Which medication may be offered short term for Conduct Disorder or ODD in children?
Risperidone
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Monitoring and side effects of Methylphenidate
Initial BP, height and weight, ECG SEs: Growth restriction (1%), loss of appetite
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When is attachment behaviour maximal
18-36 months
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Average birth weight of a child
3.3kg
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Average head circumference (HC) of a child at birth
35 cm
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VACTERL Conditions
``` Vertebral Anorectal Cardiac Tracheo-Oesophageal Renal Limb ```
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Symptoms of anxiety in children
``` Dizziness Fainting Rapid Breathing Butterflies Nausea Sweating Palpitations and Tachycardia Recurrence of thought ```
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T waves on paediatric ECG
Upright for first week of life Inverted until adolescence
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Axis of paediatric ECG
May be Right axis deviation
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QRS complex in paediatric ECG
Dominant R waves V1-V3 Shorter QRS Dominant RV means that if V6 overlaps V5, there is a chance of LVH
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Features of an Innocent Murmur
- Asymptomatic patient - Soft blowing murmur - Systolic murmur only - Sternal edge (left) - Sensitive to position e.g. standing up - Small (doesn’t radiate) - Single (no associated clicks or gallops)
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What is Eisenmenger's Syndrome
When the pressure of the Pulmonary artery exceeds the LVH, blood begins to shunt back the other way. Usually appears 9 months after development, and the only treatment is a complete heart-lung transplant.
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Murmur associated with ASD
Systolic murmur and fixed split S2 At upper left sternal edge
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Murmur associated with VSD
Systolic murmur | At lower left sternal edge
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Murmur associated with PDA
Machinery like murmur
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Murmur associated with coarctation of the aorta
Ejection systolic murmur
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Murmur associated with TGA
No murmur, but loud S2
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Which congenital heart abnormality is associated with Turner's Syndrome
Coarctation of the aorta
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Which genetic conditions are associated with tetralogy of fallot?
Digeorge Syndrome Foetal alcohol syndrome Phenylketonuria 22q11 microdeletion syndrome
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Common causes of neonatal jaundice in first 24 hours
Infection (TORCH, sepsis) ABO incompatibility (developed countries) Rhesus incompatibility (developing countries) Hypothyroidism Hereditary spherocytosis G6PD deficiency
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Persistent neonatal jaundice after 2 weeks- most common cause
Biliary atresia
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Physiological jaundice causes
Cephalohaematoma Prematurity Breastfeeding jaundice/ breastmilk jaundice
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Kernicterus symptoms
High bilirubin levels (360+) where bilirubin crosses the BBB Lethargy, poor feeding, hypertonicity, opisthonus
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Investigations of pathological jaundice
Transcutaneous Bilirubin first Serum bilirubin if: - 250+ on transcutaneous BR - Under 24 hours old - Gestational age under 35 weeks
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Indications for IVIG in jaundice
ABO or Rh incompatibility | Rapidly rising serum BR
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Birth asphyxia typical criteria
Cord Blood pH <7.05 APGAR 0-5 at 10 minutes Hypoxic ischaemic encephalopathy
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Treament for infantile haemangioma
Propanolol (reduces blood flow to the lesion)
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Treatments for Birth Asphyxia/ HIE
Monitor/ manage seizures with CFAM Therapeutic hypothermia Fluids (careful of renal impairment)
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ABO blood group incompatibility
Mother usually O, baby A Can't be detected antenatally Do Direct coomb's test
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Bronchopulmonary Dysplasia (BPD)
Complication of Respiratory Distress Syndrome Due to pressure/ volume trauma from oxygen therapy Defined as needing oxygen support past 36 weeks gestational age
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TORCH infection
``` Toxoplasmosis Other- Syphilis, VZV, Parovirus B19 Rubella Cytomegalovirus Herpes ```
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Talipes Equinovarus features
Inversion Adduction of the forefoot Inability to evert/ dorsiflex Equinus deformity
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Live Vaccines
- Measles (part of MMR) - Rotavirus - Polio (IPV) - Tuberculosis (BCG) - (Yellow Fever)
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Infective organisms of sepsis in children
Neonates: Group B streptococcus, Listeria, E. coli All: Meningococcus, Pneumococcus
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Amber (intermediate) criteria for assessing illness in children
Decreased activity and not responding to normal cues Nasal flaring Tachypnoea, increased RR, crackles, reduced O2 sats Tachycardia Cap refill 3+ seconds Reduced urine output Poor feeding Dry mucous membranes Fever, rigors Limb or joint swelling, on non-weight bearing Temp 39+ in children 3-6 months
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Red criteria for assessing illness in children
``` Pale/ mottled/ ashen/ blue Not responding to cues Grunting Tachypnoea 60+, chest indrawing Reduced skin turgor Seizures Focal neurology Status epilepticus Neck stiffness Bulging fontanelles Temp 38+ in children under 3 months ```
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Key indications for an LP in septic children
Infants under 1 month | Infants 1-3 months who appear unwell, or with a WCC <5 or 15+
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Petechia/ purpura definitions
Petechiae: less than 2mm Purpura: 2-10 mm Echymosis: 10mm+
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Idiopathic Thrombocytopenic Purpura: key features
2-10 year olds, follows 1-2 weeks after a viral infection Easy bruising, and a petechial/ purpuric rash over bony prominences Gum/ nose bleeding Low platelets (<40 x 10^9/L) Normally self-resolves but treat if low platelets/ chronic (20%). - Oral steroids ± IV Ig and venous anti-D
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Henoch Schonlein Purpura: key features
4-6 year olds, follows after infection (mycoplasma, EBV, Strep) ``` Purpuric rash distributed to buttocks, legs and ankles; becomes raised within 24 hours Arthritis and arthralgia Abdominal pain ± GI bleeding Scrotal pain Glomerulonephritis ``` Diagnosis normally clinical but may need to r/o sepsis Predominantly supportive treatment (NSAIDs and fluids), consider steroids if severe - Children should ideally get follow up 6-12 months later to detect renal complications (25%)
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Chickenpox- viral features
Incubation 10-21 days Infectious 1-2 days before rash Infectious until lesions crusted over (exclude from school until then)
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Most common cause of Ophthalmia neonatorum; treatment
Chlamydia | Treat with saline bathing
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Features of IgE mediated food allergies
Acute with rapid onset | Urticaria, angioedema, colic, rhinorrhoea, cough, bronchospasm
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Features of Non-IgE mediated food allergies e.g. Cow's Milk Protein Allergy
``` Atopic eczema Reflux Colic Loose mucosal/ bloody stools Constipation ```
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Investigations for Infectious mononucleosis
Over 12's: FBC- differential WCC shows 20%+ atypical lymphocytes Monospot test EBV serology
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Criteria for Kawasaki Disease
Fever (39+, for 5 days, plus): - Bilateral non-exudative conjunctivitis - Cervical lymphadenopathy - Mucous Membrane changes (cracked lips, strawberry tongue, mouth/ pharyngeal inflammation) - Polymorphous rash - Extremity changes (arthralgia, palmar erythema, swelling)
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Investigations and Management of Kawasaki Disease
Echocardiogram (detect Coronary A. aneurysm) Bloods (raised platelets, bilirubin, AST) Urinalysis- sterile pyuria/ proteinuria High-dose aspirin for 6 weeks (then antiplatelet dose) IVIG within 10 days if possible
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Measles: clinical features
Cough, coryza and conjunctivitis; plus Koplik's spots Incubation period of 10 days Maculopapular rash starts behind ears and spreads over the body- becoming blotchy and confluent No school 4 days from rash onset
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Complications of measles
``` Subacute sclerosing panecephalitis (SSPE) Encephalitis Pneumonia Otitis Media Diarrhoea Myocarditis ```
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Mumps features
infective 7 days before and 9 days after parotid swelling starts incubation period = 14-21 days Fever, malaise and muscular pain Parotid swelling Orchitis Supportive management but notifiable disease No school 5 days from swollen glands
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Congenital rubella infection features
``` Sensorineural deafness Congenital heart disease Cataracts Growth retardation Hepatosplenomegaly Cerebral palsy Microphthalmia ```
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Rubella: clinical features
Incubation 14-21 days Infectious 5 before to 5 after Fever with maculopapular rash on face spreading to whole body; lymphadenopathy No school 4 days from rash onset
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3 main categories of causes of Iron deficiency anaemia
Inadequate intake (diet, cow's milk, low Vitamin C) Malabsorption Blood loss
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Values for Iron deficiency anaemia, and when does it become symptomatic
Neonate – Hb <140g/l 1-12 months – Hb <100g/l 1-12 years – Hb <110g/l Symptomatic below 60-70
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Key symptoms of Fe def anaemia
Fatigue Slow feeding Poor behaviour and intellectual function Conjunctival/ tongue/ palmar crease pallor
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Sickle Cell Anaemia: typical symptoms and complications
Anaemia ± jaundice Infection susceptibility Splenomegaly ``` Delayed puberty/ growth restriction Cognitive impairment Tonsillar hypertrophy Cardiac enlargement Heart failure Renal dysfunction Gallstones Leg ulcers ```
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Vaso-Occlusive crisis in SCA
May be exacerbated by cold, dehydration, stress, hypoxia - Dactylitis - Mesenteric ischaemia - Stroke - Acute chest syndrome (respiratory distress) Fluids, exchange transfusion
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Thalassaemia clinical features
Major is most severe, intermediate less so and minor/ trait is normally asymptomatic. Presentation is: - FTT - Extramedullar haemopoiesis - Skull bossing - Osteopaenia - Endocrine failure Treatments: regular transfusions, splenectomy, bone marrow transplant, iron chelators
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Haemophilias
X-Linked Recessive Haemophilia A more common, F8 deficiency Higher F8/9 : C ratio indicates a better prognosis Treatments: Recombinant F8 or F9 ± Desmopressin/ ddAVP for Haemophilia A Von Willebrands: Autosomal dominant, diagnosed in adolescence. Treat as for haemophilia A
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Most common childhood brain tumours
Astrocytoma (40%) Medulloblastoma (20%)- cerebellar usually MRI first line Surgical excision ± adjunct chemotherapy
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Neuroblastoma
Neural Crest cell tumour - Abdominal mass - Appetite and weight loss - Bone pain - Hypertension - Skin mets (Blueberry muffin baby) Ix: USS then CT and MIBG bone scans, Urinary catecholamine levels
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Wilm's Tumour
Presents before age 5, FH, Edward's Syndrome, Beckwith- Wiedemann syndrome - Abdominal mass ± pain - Anorexia - Anaemia - Haematuria - Hypertension Requires nephrectomy then chemo.
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Most common leukaemia type in children and its differentiating factors
Acute Lymphoblastic Leukaemia (80%) - Faster onset - Younger children - Males affected more (poorer prognosis) - No Auer rods - Low platelets and prolonged Prothrombin time
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Leukaemia clinical features
Main signs: - Anaemia (tiredness, pallor, fever) - Thrombocytopaenia - Hepatosplenomegaly - Lymphadenopathy Others: - Petechiae, purpura, bruising - Headaches and vomiting - Testicular enlargement - Bone pain
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Hodgkin's Lymphoma
Presence of Reed-Steenberg cells - EBV, smoking, immunosuppression, HIV - Adolescents Painless lymphadenopathy plus: - B symptoms - Cough (airway obstruction) - Alcohol induced pain High ESR carries a poor prognosis
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Non-Hodgkin's Lymphoma
No Reed-Steenberg cells - 5x more common - Younger children Lymphadenopathy plus: - Palpable abdominal masses (hepatosplenomegaly) - SOB Pancytopaenia
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Moderate acute asthma
PEFR 50% + of expected Saturations under 92% Able to talk in sentences Age-related tachycardia and tachypnoea
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Severe Acute Asthma
PEFR 33-50% of expected Saturations under 92% Unable to talk in full sentences Higher tachycardia and tachypnoea
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Life-threatening Asthma
``` PEFR <33% of predicted Saturations under 92% Cyanosis Hypotension Exhaustion Silent Chest Tachycardia ```
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When can an asthmatic child be discharge
Using 6 puffs 4-hourly | Go home with a wheeze plan
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Most common organism in Bronchiolitis
RSV
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Clinical features of Bronchiolitis
Aged 3-6 months peak but can occur under 12 months Coryzal prodrome 1-3 days High-pitched cough, tachypnoea, cracles Fever and poor feeding
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Indications for admission/ referral in Bronchiolitis
RR 60+ Clinically dehydrated Inadequate intake 50-75% Saturations <92% Can consider NG feeding, nasal cannula with humidified oxygen
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Most common organisms in croup
Parainfluenza virus - Type 3 most common - Type 1 most severe
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Clinical features of Croup
Coryzal phase of rhinorrhoea, ST, cough and fever Barking cough and stridor, often worse at night
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Aspects of Westley Score for croup
``` Chest wall retractions Stridor Cyanosis Level of consciousness Air entry ``` Under 3: optimal 8+: severe, consider ICU
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Management of Croup
Dexamethasone/ Budesonide weight-adjusted Adrenaline 1 in 1000 if severe
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Causative organism in Epiglottitis
Haemophilus influenzae type B
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Epiglottitis clinical features
``` Acute onset Soft whispering stridor with a muffled voice High fever Drooling of saliva/ no fluids Scared ```
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XR findings in Epiglottitis
Thumb print sign
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Common organisms in Tonsilitis/ pharyngitis
Group A beta-haemolytic streptococci EBV Influenzae Rhinovirus, adenovirus, HSV1, coronavirus
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When to offer an antibiotic for Tonsilitis
Centor score 3+ - Phenoxymethylpenicillin (Penicillin V) - Corticosteroids
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Indications for a tonsillectomy in children
3+ episodes of tonsilitis a year for 3 years 5+ episodes of tonsilitis a year for 2 years 7+ episdoes in a year Recurrent OM with effusion Obstructive sleep apnoea
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Organism for whooping cough
Bordatella pertussis
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Clinical features and management of whooping cough
Spasmodic cough (worse at night) with inspiratory whoops Epistaxis, subconjunctival haemorrhage Apnoea Treat with erythromycin in commenced early Exclude from school for 3 weeks Vaccinate mothers
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Best signs of pneumonia in children
``` High fever (39+) Tachypnoea ``` Others: poor feeding, pleurisy, bronchial breathing, prodromal URTI, respiratory distress
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Antibiotics for pneumonia in children
Amoxicillin 1st line Co-Amoxiclav in neonates Macrolide if mycoplasma
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Antibiotic of choice for AOM
Amoxicillin
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Key Neonatal features of cystic fibrosis
Meconium ileus (not passed within 48 hours) FTT Prolonged jaundice Distended bowel loops on AXR
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Features of CF in childhood
``` Frequent respiratory infections Bronchiectasis Persistent loose cough with sputum production Clubbing Chest hyperinflation Nasal polyps Rectal prolapse Steatorrhoea ```
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Longer term complications of Cystic Fibrosis
``` Male infertility Diabetes Chronic liver disease Osteoporosis Vitamin deficiencies Urinary stress incontinence ```
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Sweat test diagnosis of Cystic Fibrosis
60 mmol/L + - Need to be 3-4kg Other causes of false positives: - Eczema - Adrenal insufficiency - Hypothyroidism - Malnutrition
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What does the Guthrie test detect with regards to CF
Immuno-Reactive Trypsinogen
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CT findings in cystic fibrosis
Signet rings (bronchioles are larger than adjacent blood vessels)
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Infective organisms in cystic fibrosis
``` S. aureus H. influenzae Pseudomonas aueruginosa Klebsiella Burkholderia cepacian Non tuberculous mycobacteria (once get to this stage, can't transplant) ```
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Chance of a foreign body passing if below the diaphragm
80%
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Presentation of inhaled foreign body in children
``` Choking SOB Wheeze Stridor Refusal to eat Drooling ```