Paeds Flashcards
Trisomy 21 Cardiac - VSD, AVSD, ToF Endocrine - HypoThy, Addisons, T1DM Ocular - cataracts Malignancy - Leukaemia GI -duodenal atresia, Hirschprungs Musk - Atlanto-axial instability Neuro - Alzheimers
Down’s (complications)
Genetic imprinting - Loss of some of paternal chromosome 15
Px -Hypotonia, hypogonadism, obesity
Prader-Willi
X linked.
Px - Long face, big ears, macroorchidism, LD’s
Fragile x
CATCH 22 Cardiac Abnormal facies Thymic aplasia Cleft lip HypoCa
DiGeorge
Ax - Trisomy 13
Px - Microcephalic, small eyes, cleft lip/palate, polydactyly, scalp lesions (progression of features?)
Patau’s
Ax - Trisomy 18
Px - Micrognathia (overbite)/small chin, low ears, rocker bottom feet, overlapping of fingers
Edwards
Ax - Def in galactose-1-phosphate uridyl transferase
Px - Illness with lactose containg milks. Vomiting, cataracts and recurrent E.coli infx
Galactosaemia
Ax - Autosomal dominant
Px - Tall, arm span>Ht, Long thin fingers, scoliosis, pectus excavatum.
Marfan’s
Ax - Autosomal recessive. Def phenylalinine hydroxylase
Ix - newborn bld spot screening
Phenylketonuria
Ax - Dystrophin gene abnormality. X-linked
Px - delayed development+walking
Duchennes’
Ax- def in hormones that convert sex hormones to cortisol
Px - ambiguous genitalia (accumulation of sex hormones), Salt losing crisis (lack of cortisol) i.e. low glucose and vomiting, hirsuitism, early menarche, large stature
Tx - IV dextrose and hydrocortisone
Congenital adrenal hyperplasia
Ax - Autosomal dominant
Px - Webbed neck, Pec Excav, short, pulmonary stenosis
Noonan’s
Px - micrognathia, cleft palate
Pierre-Robin
Px - Short, LD’s, friendly, aortic stenosis, neonatal hyperCa
William’s
Jaundice <24hrs
Px -
Immune: Rheus/ABO incompatibility
RBC defect: G6PD def, pyruvate kindse def, hered sphere
Infx
Jaundice 24hrs-2wks
Physiological, breast milk, infx, excess haemolysis
Persitant jaundice >2wks
Unconjugated: breast mil, infx, ABO incompatibility, hypothyroidism, galactosaemia
Conjugated: biliary atresia, neonatal hepatitis
Biliary atresia
Px - prolonged jaundice >2ks dark urine, pale stools
Mx - surgical
NB diagnoses after 6wks compromises outcome
Group B strep
can colonize reproductive tract and can infx baby
Px - respiratory distress syndrome, ground glass CXR
Ax - immature T2 pneumocytes
Mx - artificial surfactant, venti
Surfactant def
Ax - Parvovirus B19
Px - lethargy, fever, headache, slapped-cheek spreading to proximal arms and extensor sufaces
erythema infectiosum/slapped cheek/fifth disease
Ax - VZV
Px - Multistaged mac/pap/vesicular rash starting on head/trunk before spreading globally
Chicken pox
Ax - measles virus
Px - prodrome of fever, irritability, conjunctivitis, rash starting behind ears and spreading globally, macpap to confluent
NB Kopliks spots
Measles
Ax - mumps
Px - fever, muscle pain, pain on eating/earache, parotitis, unilateral and becoming bilateral in 70%
Mumps
Ax - Rubella virus
Px - macpap rash spreading globally and usually fades by day 3-5, suboccipital and postauricular LN’s
Rubella
Ax - toxins produced by GAS
Px - fever, malaise, tonsilitis (strep throat), fine punctate rash sparing peri-oral area (sandpaper texture), strawberry tongue
Scarlet fever
Ax - Coxsackie A16
Px - Vesicles on mouth, hand and feet
Hand, foot and mouth disease
Down’s diagnosis
karyotyping
VACTERL
Vertebral, anal imperforation, cardiac, tracheo-oesophageal fistula, renal, limb anomalies
Neonatal cardiology
Cyanotic: transposition of the great arteries, tetralogy of fallot,
Acyanotic: VSD, Aortic stenosis, AVSD, coarction of the aorta
Tetralogy of Fallot
VSD, Rt ventricular outflow obstruction, RV hypertrophy, overriding aorta
Transposition of the great arteries
PDA sustaining life
Mx - prostaglandin infusion and surgical intervention
Autoimmune hepatitis
Ax - anti -smooth muscle Abs
Coeliac’s
Px - diarrhoea, malabsorption (buttocks wasting)
Acute epiglottitis
Ax - HiB infx
Px - rapid onset, fever, toxic look, stridor, drooling of saliva
Ax - Human herpes virus 6
Px - 3-5 day high fever, 2 day macpap rash on chest and limbs, cough, D, febrile convulsions
Roseola infantum
Meningitis <3mnths
GBS (low birth wt+Prolonged ROM)
also E.coli+Listeria
Meningitis 1mnth-6yrs
N.men
Strep.pneu
Haemophilus.inf
Menigitis >6yrs
N.men
Strep.p
Autosomal recessive
Metabolic
exceptions=inherited ataxia’s
Autosomal dominant
structural
exceptions=Gilbert’s
Ax - parainfluenza infx
Epx - 6mnths-3yrs
Px - Stridor, barking cough, fever, coryzal Sx
Mx - PO dexamethasone, O2+adrenaline in emergency
Croup
Adrenaline for anaphylaxis ages and doses
<6yrs = 150mcg 6-12 = 300mcg >12yrs = 500mcg
Ax - IgA mediated small vessel vasculitis
Px - Palpable purpuric rash, abdo pain, usually following infx, polyarthritis, haematuria, renal failure
Henoch-Schonlein purpura
Develpmental dysplasia of the hip
RF: female, breech, FHx, oligohydramnios, macrosomaly
Ix - Barlow + Ortolani, US
Mx - Spont stabilise by 3-6wks, Pavliks harness, Surgery
Rose spots in non bloody diarrhoea
Salmonella typhi
BCG vaccine
At birth
Hepatitis B
At birth if rsk factors
DTap/IPV/Hib
Diptheria, tetanus, acellular pertussis/inactivated polio vaccine/Haemophilus influenza B vaccine
2mnths
3mnths
4mnths
PCV
Pneumococcal conjugate vaccine
2mnths
4mnths
12-13mnths
Oral rotavirus vaccine
2mnths
3mnths
Men B
2mnths
4mnths
12-13mnths
Hib
2mnths
3mnths
4mnths
12-13mnths
Men C
12-13mnths
Flu vaccine
2-7yrs
MMR
12-13mnths
3-4yrs
DTaP/IPV
2mnths 3mnths 4mnths 3-4yrs 13-18yrs
HPV vaccination
12-13yrs
Thx for impetigo
Fusidic acid
Grey coating on tonsils and cervical lymphadenopathy
Diphtheria
Irritability and convulsion in premmie w/ no head trauma or swelling
Intraventeicular haemorrhage
Methods of catching urine sample
Adhesive bags
Clean catch
Catheter insertion
Suprapubic aspiration
Px - Tall, obese, hirsute, high LH, high insulin, subfertility, menstrual abnormalities, acanthosis nigracans (Hyperpig skin folds)
PCOS
Pansytolic left 4th ICS
VSD most common congenital heart abnormality
Diastolic apex
Mitral stenosis
Howell-Jolly bodies
Splectomy, splenic atrophy
Auer rods
AML
Infants intake mL/kg/day
150-180mL/kg/day
2 feet proximal to ileo-caecal valve, 2 inches in length , 2% of ppln
Painless PRB
Meckel’s diverticulum
Px - Obese, tall adolescents, shortened and externally rotated, referred pain to knee
Ax - Posterolateral displacement of the femoral head
Silpped upper femoral epiphysis
Ax - degenerative disease of the hip
Epidx - 2-10yo, boys,
Px - Insidious-onset hip pain, limp,
Perthe’s disease
Legg-Calve-Perthes disease
Px - Acute hip pain following viral infx, no pain at rest, reduced ROM
Epix - Most common cause of acute hip pain 3-8yo,
Transient synovitis
Px - Neonate w/ swollen hands and feet, difficult to palpate femoral artery, short stature, wide carrying angle, widely spaced nipples, coarction of aorta
Turner’s syndrome 45XO
Px - Delayed puberty, tall for age, small firm testes, shy
Klinefelter’s 47XXY
Major Duckett Jones criteria for Rheumatoid fever (5)
Pancarditis, Polyarthritis, Erythema marginatum, nodules, Chorea
Minor Duckett Jones criteria for Rheumatoid fever (4)
Fever, arthralgia, high ESR/WCC, heart block
HTN, renal impairment, wt loss reduced appetitie, lethargy, abdo mass, haematuria
Wilm’s tumour
Purpruic non blanching rash, arthralgia, abdo pain, renal involvement (nephrotic syndrome), +/-vomiting
Usually following viral illness
Henoch-Schonlein purpura
Tx of ITP
Conservative, ITP is self limiting
Tx of AML prevention
Tumour lysis syndrome
Ax - large number of cells break down
Px - HyperK, fluid overload, raised urea
Complications of childhood oncological disease (4)
Secondary malignancies, LD, growth problems, infertility
Causes of erythema nodosum (4)
OCP, TB, strep infx, sarcoidosis
3wo baby, floppy, jaundice, large tongue hoarse cry no dysmorphic features
Congenital hypothyroidism
Graves Tx
Optimize carbimazole
Add propanolol for Sx relief
Corticosteroids SE (4)
HTN, glucose intolerance (hyperglycaemia), wt gain, short, osteoporosis
Delayed puberty
No pubertal development by 15yo
Tall, gynaecomastia, microorchidism, delayed puberty
Klinefelter’s 47XXY
Age 2-13 Pain symmetrical in lower limbs and not limited to joints Pains never present at start of day Physical activities not limited No limp Examination normal
Rules of growing pains
Immobile child, apyrexial, following URTI (1-2wks), normal xray, joint may be red/hot/swollen
Reactive arthritis
Limp, apyrexial, accompanied by viral infx, referred knee pain, reduced ROM internal rotation
Transient synovitis
Px - obese boys, shortened externally rotated
Mx - internal fixation
Slipped femoral epiphysis
Acute illness, daily fevers, malaise, failure to thrive, rash, muscle/joint aches, >6wk duration, raised inflammatory markers
Juvenile idiopathic arthritis
Erythematous, warm, acutely tender joint, reduced ROM, febrile child, <2yo
Septic arthritis
Immobile limb, acute febrile illness, distal femur, proximal tibia
Osteomyelitis
Clumsy, quadriceps wasting, Gower’s sign, waddling gait, raised CK
Muscular dystrophy
Maternal haemorrhage, poor feeding, altered tone, seizure activity in neonate
Hypoxic ischaemic encephalopathy (moderate)
Hyperintense, inflammatory white matter lesions
MS
UMN lesion signs (4)
Increased reflexes
Decreased power
Increased Tone
Up going plantar reflexes
Leg weakness in SCCC
Stroke
SE profile:
Inc appetite, wt gain, hair loss, liver failure
Sodium valproate
SE profile:
dizziness, visual distrubance, lupus erythematosus syndrome
Carbemazipine
SE profile:
Behavioural change, irritability rash
Lamotrigine
SE profile:
Behavioural changes, retinopathy, sleep disturbance, wt gain
Vigabatrin
SE profile:
Anorexia, abdo pain, vomiting, diarrhoea,
Levetiracetam (Keppra)
Ash leaf macule under Wood’s light, subendymal nodules, hypsarrythmia on EEG
Tuberous sclerosis
Port wine stain
Sturge-Weber syndrome
Status epilepticus Mx 0min 5min 15min 25min 45min
0mins: ABC + glucose. O2
5mins:
IV access = lorazepam
No IV buccal midazolam/rectal diazepam
15mins: Lorazepam IV/IO senior help, prepare phenytoin
25mins: Rectal paraldehyde, phenytoin infusion
45mins: Rapid sequence induction of anaesthesia w/ thiopental and intubation, transfer to PICU
GORD Mx
Cons: Feed thickeners, positioning
Med: Antacids, PPI, hypermotility drugs (metoclopramide)
Surg: fundoplication
PDA Mx
Cath lab plugging
Exercise + haematuria
Stress haematuria
OCP + red urine, bld -ve
Porphyria
Fluid maintenance
0-10kg = 100ml/kg 10-20kg = 50ml/kg >20kg = 20ml/kg
Undigested food w/ diarrhoea, healthy child
Toddler’s diarrhoea/chronic non specific
IDA, polyps, pigmented palms and soles
Peutz-Jeghers
Small red growth in centre of umbilicus, covered w/ clear mucous
Umbilical granuloma
Salt the wound
resolve by 2
Boot shaped heart
ToF
Frequent yawning, irritable, no fever
Maternal opiod use
Becwith-Wiedemann
Macrosomaly, large tongue hypoglycaemia
Resp rate infants
30-40
Resp rate young children
25-35
Resp rate older children
20-25
HR infants
110-160
HR young children
95-150
Older children
80-120
Systolic BP infants
80-90
Systolic BP young children
85-100
Systolic BP Older children
90-110
Neonate
<4wks
Infant
<1yr
Young child
2-5
Older child
6-12
Severe asthma assessment
O2 sats
O2: <92% for <12yo
Severe asthma assessment
Resp rate
Resp rate:
>40 (2-5)
>30 (5-12)
>25 (12-18)
Severe asthma assessment
Peak flow
Peak flow:33-50%
Severe asthma assessment
HR
> 140 (2-5)
125 (5-12)
110 (12-18)
Px - Generalised abdo pain, fever, recent viral URTI
Ax - Inflammation of mesenteric lymph nodes that occur following a viral URTI
Mesenteric adenitis
RF for hypoglycaemia
<37wks, <2.5kg
Acquired vs congenital hypothyroidism
Congenital presents earlier in life w/ coarse facial features, macroglossitis, umbilical hernia
Sever dehydration (Wt)
> 10% wt loss
Juvenile idiopathic arthritis. Define:
Monoarticular
Pauciarticular
Multiarticular
Single joint
<4
>4
Supravalvular aortic stenosis
Williams
UTI Mx:
<3mnths
Upper UTI >3mnths
Lower UTI <3mnths
<3mnths = Referred immediately to specialist. Admitted IV Abx
>3mnths Upper = Considered for admission. If not admitted PO Abx for 7-10 days (cephalosporin/co-amox)
>3mnths Lower = PO Abx for 3 days (Trimethoprim/nitro)
CF Mx at birth
Gastrograffin enema - diagnostic and therapeutic
Prophylactic flucloxacillin and sweat test at 6wks
Anaphylaxis
PO antihistamines (chlorphenamine)
IV Adrenaline
IV hydrocortisone
Risk of hydrops feotalis
Parvovirus B19
Simple nappy rash Tx
Castor oil, zinc
Threadworm Tx
Mebendazole
Impetigo Tx
Fusidic acid
Kid w/ acne, topical Abx don’t work
Benzoyl peroxide