Paediatrics 2 Flashcards

Rashes & infectious diseases Endocrine

1
Q

When does the rash associated with measles appear?

A

3-4 after symptom onset

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2
Q

School exclusion criteria for measles

A

4 days after rash onset

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3
Q

Measles causative organism

A

RNA paramyxovirus

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4
Q

Measles clinical manifestations

A

Maculopapular rash behind ears - spreads and becomes confluent
Koplik spots
Conjunctivitis
Irritable

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5
Q

Measles investigations

A

< 3 days: PCR for measles mRNA
> 3 days: IgM/IgG antibodies

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6
Q

Post-measles complications

A

Otitis media
Pneumonia
Myocarditis

Encephalitis

Subacute sclerosing panencephalitis - 5-10 years later

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7
Q

Dawson disease

A

Subacute sclerosing panencephalitis

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8
Q

School exclusion criteria for measles

A

4 days after rash onset

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9
Q

Rubella causative organism

A

Togavirus - rubivirus

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10
Q

School exclusion criteria for rubella

A

5 days after rash onset

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11
Q

Rubella clinical manifestations

A

Maculopapular rash on face - spreads to body
Lymphadenopathy
Forchheimer spots

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12
Q

Congenital rubella syndrome

A

Sensorineural deafness
Cataracts
PDA

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13
Q

Complications post-rubella

A

Thrombocytopaenia
Encephalitis
Myocarditis
Arthritis of small joints

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14
Q

When is rubella vaccinated against?

A

MMR:
12-13 months
2-3 years old

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15
Q

Rubella incubation period

A

14-21 days

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16
Q

Rubella investigations

A

PCR
IgM antibodies

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17
Q

Erythema infectiosum: alternative names

A

5th disease
Slapped cheek syndrome

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18
Q

Describe the rash associated with erythema infectiosum

A

On face (slapped cheeks)
Spreads to trunk and limbs (lacy)

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19
Q

Erythema infectiosum causative organism

A

Parvovirus B19

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20
Q

Erythema infectiosum school exclusion criteria

A

No school exclusion

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21
Q

Roseola infantum symptoms

A

Extremely high fever
to
Rash on trunk to extremities

Febrile convulsions

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22
Q

Roseola infantum epidemiology

A

6 months - 2 years

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23
Q

Roseola infantum causative organism

A

HHV6

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24
Q

Roseola infantum complications

A

Aseptic meningitis
Hepatitis

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25
Q

Roseola infantum school exclusion criteria

A

No school exclusion

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26
Q

Hand, foot and mouth disease causative organisms

A

Coxsackie A16 virus
Enterovirus 71

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27
Q

Hand, foot and mouth disease school exclusion

A

No school exclusion

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28
Q

Hand, foot and mouth disease complications

A

Viral meningitis
Encephalitis

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29
Q

Herpangina

A

Coxsackie A affecting mouth only

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30
Q

Why should ibuprofen be avoided in children with chickenpox?

A

Increase risk of necrotising enterocolitis

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31
Q

Chicken pox rash

A

Itchy, starting on head/trunk and spreads
Macular -> papular and vesicular

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32
Q

Congenital varicella syndrome

A

Limb atrophy
Ocular defects
Neurological defects

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33
Q

Chicken pox complications

A

Secondary bacterial infection of lesions – B-haemolytic Group A Strep
Encephalitis
Disseminated haemorrhagic chickenpox
Pneumonia

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34
Q

Chicken pox school exclusion criteria

A

Until lesions have crusted over

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35
Q

Meningitis investigations

A

Blood cultures
LP

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36
Q

Meningitis antibiotics

A

< 3 months: amoxicilln (listeria) + cefotaxime
> 3 months: cefotaxime / ceftriaxone

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37
Q

Meningitis prophylactic antibiotics

A

1st: Ciprofloxacin single dose
2nd: Rifampicin 2 days

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38
Q

Indication for benzylpenicllin for meningitis

A

Menogococcal meningitis
Non-blanching rash

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39
Q

Most common complication after meningitis

A

Sensorineural hearing loss

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40
Q

Cause of purpura/petechiae

A

Dermal capillary micro thrombi that rapidly lead to haemorrhagic skin necrosis
Endotoxin released by bacteria which induced oedema formation and capillary thrombosis with extravasation of blood into interstitial space

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41
Q

Close contact

A

Same household during 7 days before onset of illness
Anyone in direct contact with patient’s oral secretions

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42
Q

Waterhouse-Friedrichsen syndrome

A

Adrenal gland failure which can occur after meningitis

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43
Q

HSP pathophysiology

A

IgA mediated small vessel vasculitis

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44
Q

HSP clinical manifestations

A

After viral URTI
Purpural rash
Abdominal pain
Joint pain
Haematuria +/- proteinuria (nephritis)

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45
Q

Describe the rash associated with HSP

A

Purpural, non-blanching
Buttocks, back, legs, trunk spared

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46
Q

HSP management

A

Usually self-limiting
NSAIDs can be given for arthalgia
Steroids can be used

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47
Q

2 causes of desquamating rash

A

Scarlet fever
Kawasaki disease

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48
Q

Diagnostic critieria for Kawasaki disease.

A

Fever (>38.5) for > 5 days and at least 4 of:
- Conjunctivitis – bilateral (spares limbus)
- Rash – non-vesicular
- Cervical lymphadenopathy
- Strawberry tongue / cracked lips
- Hands & feet – swollen

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49
Q

Kawasaki disease management

A

High dose oral aspirin
IV immunoglobulin

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50
Q

Investigation of complications after Kawasaki disease

A

Echocardiogram for coronary artery aneurysm

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51
Q

Describe the conjunctivitis seen in Kawasaki disease

A

Bilateral
Spared limbus

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52
Q

Kawasaki disease complications

A

Coronary artery aneurysm
Reye syndrome

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53
Q

Pathophysiology of coronary artery aneurysm after Kawasaki disease

A

Fibrin deposited on blood vessel wall
Can’t gently stress
Bulges form ->
Coronary aneurysm

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54
Q

Reye syndrome aetiology + pathophysiology

A

Associated with aspirin use in children

Due to mitochondrial dysfunction

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55
Q

Reye syndrome features

A

After a viral infection / aspirin use

Non-inflammatory encephalopathy - slurred speech, lethargy
Fatty degeneration of liver - abnormal LFTs
Cerebral oedema - raised ICP

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56
Q

Reye syndrome diagnosis

A

Liver biopsy

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57
Q

Scarlet fever causative organism

A

Group A streptococci
Usually strep pyogenes

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58
Q

Scarlet fever school exclusion criteria

A

Return 24 hours after starting antibiotics

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59
Q

Scarlet fever: describe the rash

A

Neck to trunk & limbs
Fine punctuate erythema surrounding area around mouth
Sandpaper texture
Desquamation after 1 week

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60
Q

Scarlet fever clinical manifestations

A

Fever
Malaise
Strawberry tongue - red with white bits
Tonsilitis

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61
Q

Scarlet fever investigations

A

Throat swab
Increased anti streptolysin O (ASO)

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62
Q

Scarlet fever management

A

Give Abx before results of throat swab
Oral penicillin 10 days
Alternative azithromycin

Notifiable disease
Return to school 24 hours after Abx

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63
Q

Peak age of presentation of scarlet fever

A

4 years

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64
Q

Scarlet fever complications

A

Rheumatic fever - 20 days later
Otitis media
Acute glomerulonephritis
PANDAS

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65
Q

Mumps causative organism

A

RNA paramyxovirus

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66
Q

Mumps clinical manifestations

A

Parotitis (unilateral then bilateral in 70%)
Fever, malaise, muscular pain

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67
Q

Mumps school exclusion criteria

A

5 days after onset of swollen glands

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68
Q

Mumps complications

A

Orchitis 1 in 3
Viral meningitis 1 in 4
Hearing loss 1 in 25
Pancreatitis 1 in 25
Encephalitis 1 in 1000

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69
Q

Vaccines in the 6-in-1 vaccine

A

Polio
Whooping cough
Influenzae (HiB)
Tetanus
Hep B
Diphtheria

[DT, double P, double HB]

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70
Q

Whooping cough causative organism

A

Gram -ve Bordetella pertussis

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71
Q

Whooping cough school exclusion criteria

A

48 hours after starting antibiotics
Or 3 weeks from symptom onset

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72
Q

Whooping cough management

A

Azithromycin or clarithromycin
Only if cough within 3 weeks of start (otherwise supportive)
Also for household contacts

Vaccine for women 16-32 weeks pregnant

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73
Q

Whooping cough diagnostic criteria

A

Cough > 14 days and 1 of:
Paroxysmal cough
Inspiratory whoop
Post-tussive vomiting
Apnoeic attacks in young infants

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74
Q

Why is erythromycin not used for whooping cough?

A

Associated with hypertrophic pyloric stenosis

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75
Q

Threadworms causative organism

A

Enterobius vermicularis

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76
Q

Threadworms infection symptoms

A

Anal & vulval itching
Visible white worms in faeces
90% are asymptomatic

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77
Q

Threadworms investigation

A

Microscopy - sellotape to perianal area
Usually treated empirically

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78
Q

Threadworms school exclusion criteria

A

No school exclusion

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79
Q

Threadworms management

A

Single dose oral mebendazole for entire household > 6 months + hygiene advice

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80
Q

Contraindication to mebendazole for threadworms

A

< 6 months old

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81
Q

Contraindication to mebendazole for threadworms

A

< 6 months old

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82
Q

Steroids escalation

A

Hydrocortisone
Clobetasone
Betamethasone
Mometasone
Clobetasol

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83
Q

Eczema presentation in different ages

A

Infants: trunk and face
Younger children: extensor surfaces
Older children: flexor surfaces

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84
Q

Eczema management

A

1st: Simple emollients
2nd: Topical steroids
3rd: Immunosuppressants, topical calcineurin inhibitors

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85
Q

Eczema herpeticum

A

Dermatological emergency
Eczema infected with HSV
Acyclovir

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86
Q

Pityriasis rosea features

A

Herald patch - single pink scaly patch
Self-limiting

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87
Q

Head lice organism + management + diagnosis

A

Pediculus capitum

1st line: wet combing / malathion
No school exclusion

Fine tooth combing of wet / dry hair

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88
Q

Management of urticaria

A

Hives
Antihistamines +/- steroids
Usually self limiting

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89
Q

Impetigo appearance + management (treatment and school exclusion)

A

‘Golden crusted’ lesions arouns mouth

If well: benzoyl/hydrogen peroxide 1% cream
If signs of infection: fusidic acid or mupirocin
If systemically unwell: oral flucloxacillin (or erythromycin)

School exclusion:
Until lesions are crusted and healed, or 48 hours
after commencing antibiotic treatment

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90
Q

Impetigo causative organism

A

Staph aureus

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91
Q

Infective mononucleosis causative organism + diagnosis

A

EBV

FBC or Paul Bunnell/Monospot test +ve

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92
Q

Pityriasis versicolor causative organism

A

Malassezia furfur

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93
Q

Pityriasis versicolor appearance + treatment

A

Hypopigmentation patches (more noticeable after suntan)

Antifungals e.g. ketoconazole shampoo
2nd: itraconazole + send scrapings for diagnosis

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94
Q

Scabies causative organism + appearance

A

Sarcoptes scabei

Tracks and burrowing between finger webs

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95
Q

Scabies management

A

Whole family

1st: Permethrin cream 8-12 hours
Repeat 1 week later

2nd: malathion

Ivermectin for crusted scabies

School exclusion until treatment complete

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96
Q

Molluscum contagiosum management

A

Self-limiting + emollients

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97
Q

DKA investigations

A

Acidosis: pH < 7.3 & bicarbonate < 15mmol/L
Hyperglycaemia > 11mmol/L (unless known diabetic)
Ketonaemia - blood ketones > 3 mmol/L

Electrolytes

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98
Q

DKA severity by pH

A

pH < 7.1 – severe DKA (10% dehydration)
pH < 7.2 – moderate DKA (5% dehydration)
pH < 7.3 – mild DKA (5% dehydration)

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99
Q

DKA management

A

Fluid resuscitation – 0.9% NaCl – over 48 hours (+ bolus - do not subtract if shocked)
Insulin infusion – 0.1 units/kg/h
Potassium replacement and cardiac monitoring

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100
Q

DKA complications

A

Cerebral oedema
Hypokalaemia
Hypoglycaemia
Aspiration pneumonia
Death

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101
Q

DKA: how does cerebral oedema present?

A

Headache
Agitation
Low HR + higher BP
Decreased consciousness
Pupillary inequality or dilation

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102
Q

DKA: management of cerebral oedema

A

Hypertonic saline
Or mannitol
Restrict fluid to half of maintenance rates

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103
Q

Guthrie test: which conditions are screened for?

A

Congenital hypothyroidism
Sickle cell anaemia
Cystic fibrosis
Glutaric aciduria
Homocystinuria
Isovaleric aciduria
Phenylketonuria
Maple syrup urine disease
MCAD

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104
Q

Congenital hypothyroidism clinical manifestations

A

Puffy face
Macroglossia
Goitre
Hypotonia
Constipation
Prolonged jaundice
Feeding problems
Umbilical hernia

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105
Q

Congenital hypothyroidism - which type of bilirubinaemia is seen?

A

Unconjugated hyperbilirubinaemia

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106
Q

3 sub types of CAH in order of prevalence

A

21-hydroxylase deficiency
11-beta hydroxylase deficiency
17-hydroxylase deficiency

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107
Q

Mode of inheritance of CAH

A

Autosomal recessive

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108
Q

Action of 21-hydroxylase enzyme

A

Converts 17α-hydroxyprogesterone to 11-deoxycortisol in glucocorticoid pathway

Converts progesterone to 11-deoxycorticosterone in the mineralocorticoid pathway

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109
Q

% chance of 2 homozygous recessive parents for CAH 21-hydroxylase deficiency having a child with ambiguous genitalia?

A

1/8

Breakdown:
1/4 chance of CAH
1/2 chance of XX child
1/4 x 1/2 = 1/8

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110
Q

Clinical manifestations of 21-hydroxylase deficiency + gene affected

A

Ambiguous genitalia (XX) or precocious puberty (XY)
Salt-wasting

CY212A2 gene mutation

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111
Q

Clinical manifestations of 11-beta hydroxylase deficiency

A

Ambiguous genitalia (XX) or precocious puberty (XY)
Hypertension

112
Q

Clinical manifestations of 17-hydroxylase deficiency

A

Abscence of secondary sex characteristic, amenorrhoea, infertility (XX) or inter-sex (XY)
Hypertension

113
Q

Biochemical abnormalities seen in salt-wasting CAH

A

Lack of aldosterone production
Low Na and high K

Metabolic acidosis on ABG

Hypoglycaemia

114
Q

Management of salt-wasting CAH

A

Hydrocortisone (double dose in illness)
Fludrocortisone

Monitor growth, skeletal maturity and plasma androgens

115
Q

Pathological causes of obesity in children

A

Growth hormone deficiency
Hypothyroidism
Down’s syndrome
Cushing’s syndrome
Prader-Willi syndrome

116
Q

Measuring obesity in children

A

< 2 years: weight to length ratio
> 2 years: BMI to age

117
Q

First sign of onset of puberty in boys

A

Testicular growth: > 4ml

118
Q

First sign of onset of puberty in girls

A

Breast budding

119
Q

Tanner staging: female

A

I - none
II - breast buds form being areolas
III - breast buds elevate beyond areola
IV - areola mounds form and project
V - mounds reduce, adult breasts form

120
Q

Tanner staging: male

A

I - testicular volume < 4ml
II - testicular volume ≥ 4ml, scrotum - enlarges, redens and change in texture
III - penis lengthens, testicular volume ≥ 10ml
IV - penis size increases (length and breadth), development of glans, testicular volume ≥ 16ml, scrotal skin darker
V - adult genitalia

121
Q

Precocious puberty age for diagnosis

A

Before 8 in females
Before 9 in males

122
Q

Classification of precocious puberty

A

Gonadotrophin dependent (central/true)
Due to premature activation of hypothalamic-pituitary-gonadal axis
Increase FSH and LH

Gonadotrophin independent (pseudo/false)
Due to excess sex hormones
Increase FSH and LH

123
Q

Precocious puberty: different testes appearance in males

A

Bilateral enlargement – gonadotrophin release from intracranial lesion
Unilateral enlargement – gonadal tumour
Small testes – adrenal cause

124
Q

Androgen insensitivity syndrome karyotype + mode of inheritance

A

46XY
X-linked recessive

125
Q

Androgen insensitivity syndrome: why can breast development still occur?

A

Testosterone can be converted to oestradiol

126
Q

Management of undescended testes

A

Unilateral
Re-examine 6-8 weeks
Re-examine at 4-5 months
Referral to paed surgery or urology and seen by 6 months

Bilateral
Review within 24 hours by senior paediatrician
If no DSD present – see in 6-8 weeks then urgent surgery 2ww

127
Q

Undescended testes: increased risk of what conditions?

A

Infertility
Testicular torsion
Testicular cancer

128
Q

Undescended testes: what % of cases are bilateral?

A

25%

129
Q

Undescended testes: types

A

Rectractile: testis is not present in scrotum but can be manipulated into scrotum before retracting again
Palpable: testis can be palpated in groin but cannot be manipulated into scrotum
Impalpable: no testis can be felt, and may lie in the inguinal canal, intra-abdominally, or be absent

130
Q

Predisposing factors for undescended testes

A

Prematurity
LBW
SGA
Family history
Maternal smoking during pregnancy

131
Q

Surgical correction for undescended testes

A

Orchidoplexy

132
Q

Neonatal resuscitation steps

A

Dry baby
5 inflation breaths
Re-assess
Recheck head position
Repeat inflation breaths
Chest compressions 3:1 if HR < 60

133
Q

Drugs used in neonatal resuscitation

A

Adrenaline 1:10000
Glucose
Sodium bicarbonate
IV fluids

134
Q

Antibiotics used in necrotising enterocolitis

A

Broad spectrum e.g. cefotaxime and vancomycin

135
Q

Necrotising enterocolitis presentation

A

Bilious vomiting
Blood in stools
Neonatal age
Distended abdomen
Shock
Food intolerance

136
Q

Risk factors for developing necrotising enterocolitis

A

SGA/IUGR/LBW
Prematurity
Formula feeds
Sepsis
PDA and other CHD
Co-amoxiclav use in pregnancy

137
Q

Necrotising enterocolitis diagnostic investigation + findings

A

Abdominal Xray

Dilated bowel loops
Pneumatosis intestinalis
Pneumoperitoneum

138
Q

Complications of necrotising enterocolitis

A

Perforation
Peritonitis
Stoma
Short bowel syndrome

139
Q

APGAR scoring

A

Activity
Pulse
Grimace
Appearance
Respiration

140
Q

Management of respiratory distress syndrome

A
  1. O2
  2. Intubate
  3. CO2 monitoring
  4. Surfactant therapy – intratracheal instillation
  5. Nasal CPAP and mechanical ventilation
  6. Fluids if indicated
141
Q

Management of transient tachypnoea of the newborn

A

Supportive management

142
Q

Xray findings seen in transient tachypnoea of the newborn

A

Fluid in horizontal fissure
Hyperinflation of lungs

143
Q

Meconium aspiration syndrome presentation

A

Meconium stained liquor
Respiratory distress

144
Q

Meconium aspiration syndrome Xray findings

A

Patch infiltrations
Atelectasis

145
Q

Meconium aspiration complications

A

Pneumothorax / pneumomediastinum from air leak
Persistent pulmonary hypertension of newborn
Respiratory tract infection

146
Q

Causative organisms of early onset (< 72 h) neonatal sepsis

A

GBS
E. Coli
P. Aeruginosa

147
Q

Causative organisms of late onset (> 72 h) neonatal sepsis

A

S. Aureus
S. Epidermis
Pseudomonas

148
Q

Sepsis 6

A

Blood culture
FBC
CRP
Blood gases
Urine MCS
LP

149
Q

Indications for fluid bolus for neonatal sepsis

A

Shock
Lactate > 2mmol/L

150
Q

Neonatal jaundice < 24 hours old

A

Always pathological

151
Q

Neonatal jaundice investigations

A

SBR > 80 µmol/L
FBC and film
Direct Coomb’s test

152
Q

3 causes of neonatal jaundice < 24 hours

A

Sepsis
Haemolytic cause
Congenital infection
Cephalohaematoma

153
Q

Mechanism of phototherapy

A

Light converts unconjugated bilirubin into water soluble pigment

154
Q

Which type of bilirubinaemia can cause kernicterus?

A

Unconjugated bilirubinaemia
Fat soluble so can cross BBB

155
Q

Kernicterus: which part of the brain is affected?

A

Basal ganglia

156
Q

Most common cause of SIDS

A

Hypoxia

157
Q

4 risk factors for SIDS

A

Prone sleeping
Parental smoking
Bed sharing
Hyperthermia and head covering
Prematurity

158
Q

Management of asymptomatic neonatal hypoglycaemia

A

Encourage normal feeding
Monitor blood glucose

159
Q

Management of symptomatic neonatal hypoglycaemia

A

Admit to neonatal unit
IV 10% dextrose

160
Q

Symptoms of neonatal hypoglycaemia

A

Jitteriness
Seizures

161
Q

Management of asymptomatic neonatal hypoglycaemia < 1mmol/L

A

Admit to neonatal unit
IV 10% dextrose

162
Q

Risk factors for neonatal hypoglycaemia

A

Preterm
Maternal DM
IUGR
Hypothermia
Neonatal sepsis

163
Q

Cleft lip pathophysiology

A

Failure of fronto-nasal and maxillary processes to fuse

164
Q

Cleft palate pathophysiology

A

Failure of palatine processes and nasal septum to fuse

165
Q

Blueberry muffin rash association

A

TORCH infection
Mum with recent flu

166
Q

Management of ITP

A

Depends on symptoms. Doesn’t need to be treated.
Otherwise:
1st: Steroids
2nd: IV IG
3rd: Rituximab

167
Q

Pathophysiology of HbS formation

A

Substitution of Glu with Val in B chain
HbS polymerises to form sickle shaped cells

168
Q

FBC findings for sickle cell anaemia

A

Low Hb
High reticulocyte count

169
Q

Sickle cell anaemia management

A

Folic acid supplementation

Prophylactic hydroxyurea/hydroxycarbamide - increased HbF levels - prevents painful episodes or blood transfusion

Bone marrow transplant - if severe disease

170
Q

Mechanism of hydroxycarbamide

A

Increases HbF levels

171
Q

Management of vaso-occlusive crisis in SCD

A

IV fluids and analgesia

172
Q

Acute complications seen in SCD

A

Acute chest syndrome
Splenic sequestration crisis
Vaso-occlusive/thrombotic/painful crisis
Aplastic crisis
Haemolytic

173
Q

Features of vaso-occlusive crisis

A

Precipitated by infection, dehydration, deoxygenation

174
Q

Features of sequestration crisis

A

Sickling within organs - splenomegaly
Increased reticulocyte count

175
Q

Presentation of acute chest syndrome

A

Dyspnoea
Chest pain
Pulmonary infiltrate on CXR

176
Q

Features of aplastic crisis

A

Parvovirus infection

Fall in Hb
Reduced reticulocyte count - bone marrow suppression

177
Q

Blood film appearance in sickle cell trait

A

Normal

178
Q

Blood film appearance in SCD

A

Sickled cells
Howell-Jolly bodies

179
Q

Diagnostic investigation SCD

A

Haemoglobin electrophoresis

180
Q

% chance of 2 carriers of sickle cell gene having unaffected offspring

A

75%=
25% unaffected
+
50% sickle cell trait

181
Q

Most common bleeding disorder

A

Von Willebrand disease

182
Q

Most common clotting disorder

A

Factor V Leiden

183
Q

Haemophilia clotting results

A

Prolonged PTT
Low factor 8/9 and normal vWF
Normal PT and platelet
Normal bleeding time

184
Q

Haemophilia mode of inheritance

A

X-linked recessive

185
Q

Von Willeband disease mode of inheritance

A

Autosomal dominant

186
Q

Fanconi anaemia mode of inheritance

A

Autosomal recessive

187
Q

Fanconi anaemia features

A

Most common cause of inherited aplastic anaemia

Café au lait spots
Short stature
Thumb/radius abnormalities

188
Q

Non-immune causes of hydrops foetalis

A

Severe anaemia e.g. parvovirus B19, alpha thalassaemia major, haemorrhage
Twin-to-twin transfusion syndrome
Infections e.g. CMV, rubella, VZV
Chorioangioma
Cardiac abnormalities

189
Q

Immune causes of hydrops foetalis

A

Blood group incompatility - haemolytic disease of newborn

190
Q

Beta thalassaemia mode of inheritance

A

Autosomal recessive

191
Q

3 subtypes of beta thalassaemia

A

Beta thalassaemia minor – 1 gene inherited of reduced/absent beta chains – heterozygote

Beta thalassaemia intermedia – 2 genes inherited of reduced beta chains

Beta thalassaemia major – 2 genes inherited for absent beta chains (beta 0) – homozygote

192
Q

Medical management options for constipation

A

1st: Osmotic laxative e.g. Movicol/macrogol
2nd: Stimulant laxative e.g. Senna
3rd: Alternative osmotic laxative e.g. Lactulose

193
Q

Management of gastroenteritis

A

Oral rehydration solution
Admit if severely dehydrated

194
Q

Management of gastro-oesophageal reflux

A

Advice regarding feeds

Trial thickened formula

2 week trial alginate therapy e.g. Gaviscon

4 week trial omeprazole suspension if:
Unexplained feeding difficulties
Distressed behaviour
Faltering growth

195
Q

Surgical procedure for GORD

A

Nissen fundoplication

196
Q

Meckel’s diverticulum presentation

A

Usually asymptomatic

Severe rectal bleeding
Intestinal obstruction: volvulus/intussusception

197
Q

Meckel’s diverticulum: investigation if haemodynamically stable

A

Technetium scan

198
Q

Meckel’s diverticulum: investigation if haemodynamically unstable

A

Mesenteric arteriography

199
Q

Meckel’s diverticulum surgical procedure

A

Wedge excision or small bowel resection

200
Q

Cow’s milk protein allergy management

A

Specialised formula feeds - extensively hydrolysed

201
Q

Cow’s milk protein allergy: differentiating IgE and non-IgE mediated

A

IgE mediated can be tested immediately with skin prick test as reacts immediately
Non-IgE is delayed

202
Q

Why is it advised that infants do not drink cow milk before age 1?

A

Risk of iron deficiency anaemia

203
Q

CMPA prognosis

A

55% with IgE mediated can drink cow’s milk by 5 years old

204
Q

Which type of hyperbilirubinaemia is seen in biliary atresia?

A

Conjugated bilirubinaemia

205
Q

Biliary atresia management

A

Surgery: Kasai procedure (hepatoportoeterostomy)

Nutrition and vitamin supplementation

Liver transplant if surgery fails or late presentation

206
Q

Diagnostic investigation for biliary atresia

A

Cholangiography/ERCP

207
Q

Biliary atresia presentation

A

Neonatal jaundice
Hepatomegaly and splenomegaly
Dark urine and pale stools

208
Q

First line imaging for biliary atresia

A

Ultrasound visualises fibrosis of biliary system

209
Q

Duodenal atresia presentation

A

Bilious vomiting from birth

210
Q

Definitive treatment of duodenal atresia

A

Duodenoduodenostomy

211
Q

Duodnela atresia Xray findings

A

‘Double bubble’ sign

212
Q

Duodenal atresia associated conditions

A

Down syndrome

213
Q

Pathophysiology of duodenal atresia

A

During 5th and 6th week of foetal development, duodenum is a solid cord

Apoptosis of cells in the centre of the solid cord leads to formation of normal cavity (lumen) of the duodenum - failure of process leads to duodenal atresia

214
Q

Blind-ending oesophagus epidemiology

A

Oesophageal atresia alone - 10%

85% have blind proximal oesophagus with distal oesophagus having fistula with trachea

5% have fistulae in both proximal and distal oesophagus

215
Q

Oesophageal atresia presentation

A

Polyhydramnios

Postnatal:
Respiratory distress
Drooling
Choking/swallowing problems
Distended abdomen

216
Q

Oesophageal atresia investigation

A

NG tube + CXR - NG tube inserted until it can’t go further and Xray is taken

217
Q

Management of oesophageal atresia

A

Surgical correction

218
Q

Most common site of intussusception

A

Ileocecal site

219
Q

Intussusception presentation

A

Sausage-shaped mass in abdomen
Redcurrant jelly stool
Abdominal distension
Shock

220
Q

Intussusception management

A

IV fluids
1st: Rectal air insufflation
2nd: Surgical reduction

221
Q

Intussusception investigations

A

USS: target sign
Concentric echogenic and hypogenic bands

222
Q

% of children requiring surgical reduction of intussusception

A

25%

223
Q

Giardiasis mangement

A

3 days metronidazole

224
Q

Giardiasis diagnostic criteria

A

Cysts in stool and motile forms in small intestine

225
Q

Coeliac disease presentation

A

Wasting of buttocks
Steatorrhoea (difficult to flush)
Dermatitis herpetiformis

226
Q

Coeliac disease investigations

A

TTG
Anti-endomysial and anti-gliadin antibodies

Gold: Small bowel biopsy from duodenum/jejunum

227
Q

Hirschsprung’s disease presentation

A

Neonates
Constipation
Delayed passage of meconium (after 48 hours)
Bilious vomiting
Lethargy & dehydration
Distended abdomen

228
Q

Hirschsprung’s disease investigations

A

AXR – dilated colon
Gold standard: rectal suction biopsy – shows lack of ganglionic nerves

229
Q

Hirschsprung’s disease management

A

1st line: Rectal washouts/bowel irrigation
Gold standard: surgery to affected segment of colon

230
Q

Hirschsprung’s disease surgical procedure

A

Swenson procedure

231
Q

Hirschsprung’s disease associated disorders

A

Down’s syndrome
Multiple endocrine neoplasia type IIa

232
Q

Meconium ileus management

A

“Drip and suck” - IV fluids and stomach drainage
Surgery if severe

233
Q

Meconium ileus investigation findings

A

AXR: bubbly appearance of intestines & lack of air-fluid levels

234
Q

Pyloric stenosis metabolic + electrolyte abnormality

A

Metabolic alkalosis
Hyponatraemia, hypokalaemia & hypochloraemia

235
Q

Pyloric stenosis management

A

NBM
IV fluids

Ramstedt pylorotomy

236
Q

Pyloric stenosis presentation

A

Non-bilious, projectile vomiting after feeds
Visible gastric peristalsis
Weight loss
Palpable, olive shaped mass on abdomen

237
Q

Pyloric stenosis investigations

A

Ultrasound - hypertrophy of pyloric sphincter

238
Q

Antibiotic use associated with pyloric stenosis

A

Macrolides e.g. erythromycin

239
Q

Malrotation presentation

A

Bilious vomiting
Abdominal pain

240
Q

Malrotation associated conditions

A

Exomphalos
Diaphragmatic herniae

241
Q

Malrotation management

A

Ladd’s procedure - division of Ladd bands and widening base of mesentery

242
Q

Congenital diaphragmatic herniae epidemiology

A

1 in 2000 newborns
50% survival rate
85% on left side

243
Q

Congenital diaphragmatic hernia manifestations

A

Respiratory distress
Bowel sounds in respiratory exam
Scaphoid abdomen (concave)
Reduced breath sounds

244
Q

Poor prognostic factor for congenital diaphragmatic hernia

A

Liver in thoracic cavity

245
Q

Management of umbilical hernia

A

Large or symptomatic – repair at 2-3 years
Small and asymptomatic – repair at 4-5 years

246
Q

Umbilical granuloma presentation

A

Overgrowth of red tissue – occurs during healing of umbilicus
Wet umbilicus, leaks clear/yellow fluid

247
Q

Umbilical granuloma management

A

Add salt to wound – osmosis occurs – tissue necroses

248
Q

Management of omphalitis

A

Topical + systemic steroids

249
Q

Mesenteric adenitis presentation

A

Enlarged mesenteric lymph nodes with normal appendix

250
Q

Risk associated with corticosteroid use in neonates < 8 days

A

Gastrointestinal perforation

251
Q

Prematurity + developmental milestones

A

Adjust for gestational age until age 2 (40 weeks**)

252
Q

Prematurity + immunisation schedule

A

Do not adjust for gestational age

253
Q

Suckling reflex

A

Develops at 35 weeks
NG tube feeds before this

254
Q

Surfactant production

A

Occurs between 24 - 28 weeks

255
Q

Prematurity: management of apnoea and bradycardia

A

Nasal CPAP
Stimulation with caffeine

256
Q

Why is there an increased risk of infection in premature infants?

A

Active IgG transfer occurs in last 3 months of pregnancy

257
Q

Medical management of neonatal abstinence syndrome

A

Opiate: Oral morphine sulphate
Non-opiate: Oral phenobarbitone

258
Q

Antibiotics given in preterm infants

A

IV BenPen + gentamicin

259
Q

6 in 1 vaccine contents

A

DT, double P, double Hb

Diphtheria
Tetanus
Pertussis
Polio
HiB
Hep B

260
Q

4 in 1 vaccine contents

A

Pre-school booster

Diptheria
Tetanus
Pertussis
Polio

261
Q

3 in 1 vaccine contents

A

Teenage booster:

Tetanus
Diphtheria
Polio

262
Q

3 inactivated vaccines

A

Rabies
Influenza
Polio

263
Q

2 conjugated vaccines

A

HiB
PCV

264
Q

Live attenuated vaccines

A

MMR
Rotavirus
Polio (inactivated in schedule)
BCG
Influenza (nasal) IM is inactivated
Typhoid
Yellow fever

265
Q

Toixoid vaccines

A

Diphtheria
Tetanus
Pertussis

266
Q

mRNA vaccines

A

Moderna
Pfizer

Encode spike protein

267
Q

Vaccines given at 2 months

A

6 in 1
Men B
Rotavirus

268
Q

Vaccines given at 3 months

A

6 in 1
PCV
Rotavirus

269
Q

Vaccines given at 4 months

A

6 in 1
Men B

270
Q

Vaccines given at 12-13 months

A

MMR
PCV
Men B
HiB / Men C

271
Q

Vaccines given at 2-8 years old

A

Annual flu vaccine

272
Q

Vaccines given at 3-4 years old

A

4 in 1 booster: diphtheria, tetanus, pertussis, polio
MMR

273
Q

Vaccines given at 12-13 years old

A

HPV vaccination

274
Q

Vaccines given at 13-18 years old

A

Men ACWY
3 in 1 booster: tetanus, diphtheria, polio

275
Q

First sign of onset of puberty in boys

A

Testicular growth: > 4ml