PassMed Notes Flashcards
What are the features of congenital cytomegalovirus?
- Growth retardation
- Purpuric skin lesions
- Sensorineural deafness
- Seizures
What are the features of congenital rubella?
- Sensorineural deafness
- Congenital cataracts
- PDA
- Purpuric skin lesions
- Salt and pepper chorioretinitis
When is bicuspid aortic valve usually seen?
Turner’s syndrome
What are some features of Turner’s syndrome?
- Short stature
- Shield chest-> widely spaces nipples
- Webbed neck
- Bicuspid aortic valve
- Coarctation of the aorta
- Primary amenorrhoea
- Cystic hygromas
- Lymphoedema in neonates
- High-arched palate
- More common-> hypothyroidism, horseshoe kidney, AI disease, Crohn’s
How does chicken pox present?
- Fever
- Itchy rash-> starts on head/trunk then spreads
- Macular then papular than vesicular
How does measles present?
- Prodrome-> irritable, fever, conjunctivitis
- Koplik spots-> on buccal mucosa
- Rash-> behind ears then whole body, maculopapular
How does mumps present?
- Fever, malaise, myalgia
- Parotitis-> unilateral then bilateral (70%)
How does rubella present?
- Rash-> face then whole body, pink maculopapular, fades by day 3-5
- Lymphadenopathy-> suboccipital + postauricular
How does erythema infectiosum present?
- AKA slapped cheek syndrome
- Lethargy, fever, headache
- ‘Slapped cheek’ rash then spreads to proximal arms + extensor surfaces
What causes erythema infectiosum?
- Slapped cheek syndrome
- Parvovirus B19
What causes scarlet fever?
- Group A haemolytic strep-> erythogenic toxins
- Eg strep pyogenes
How does scarlet fever present?
- Fever, malaise, tonsillitis
- Strawberry tongue
- Rash-> fine punctuate erythema, spares area around mouth, ‘sand paper’ on flexural areas
How does hand, foot + mouth disease present?
- Sore throat
- Fever
- Vesicles in mouth + palms + soles of feet
What causes hand, foot + mouth disease?
Coxsackie A16
What are some clinical features of Down’s syndrome?
- Upslanting palpebral fissures
- Epicanthic fold
- Brushfield spots in iris
- Small, low set ears
- Flat occiput
- Single palmar crease
- Sandal gap between big + first toe
- Hypotonia
- Duodenal atresia
- Hirschprung’s
- Congenital heart defects
What congenital heart defects are common in Down’s syndrome?
- Endocardial cushion defects (AV septal canal)
- VSD
- ASD
- ToF
- PDA
What are some complications of Down’s syndrome?
-Duodenal atresia
-Hirschprung’s
-Congenital heart defects
-Subfertility
-Learning difficulties
-Short stature
-Recurrent resp infections
-Glue ear
-ALL
-Hypothyroisism
-Alzheimer’s
Atlantoaxial instability
What is chondromalacia patellae?
- Softening in cartilage of patella
- Teenage girls
- Anterior knee pain when walking up + down stairs
What is Osgood-Schlatter disease?
- Tibial apophysitis
- Sporty teens
- Pain/tender/dwollen tibial tubercle
What is osteochondritis dissecans?
- Intermittent swelling + locking
- Pain after exercise
What is patellar subluxation?
- Lateral subluxation of patella
- Medial knee pain
- Can give way
What is patellar tendonitis?
- Chronic anterior knee pain
- Worse after running
- Tender below patella on examination
- More common in athletic teen boys
What are the features of Patau syndrome (trisomy 13)?
- Microcephaly
- Small eyes
- Cleft lip/palate
- Polydactyly
- Scalp lesions
What are the features of Edward’s syndrome (trisomy 18)?
- Micrognathia
- Low-set ears
- Rocker bottom feet
- Overlapping of fingers
What are the features of fragile X?
- LDs-> autism more common
- Macrocephaly
- Long face
- Large ears
- Macro-orchidism
What are the features of Noonan syndrome?
- Webbed neck
- Pectus excavatum
- Short stature
- Pulmonary stenosis
- Normal karyotype
What are the features of Pierre-Robin syndrome?
- Micrognathia
- Posterior displacement of tongue-> upper airway obstruction
- Cleft palate
What are the features of Prader-Willi syndrome?
- Hypotonia
- Hypogonadism
- Obesity
What are the features of William’s syndrome?
- Short stature
- LDs
- Friendly + extroverted
- Elfin facies
- Strabismus
- Broad forehead
- Transient neonatal hypercalcaemia
- Supravalvular aortic stenosis
What chromosome defect causes cystic fibrosis?
Chromosome 7
What causes threadworms?
Enterobius vermicularis
How are threadworms managed?
Single dose mebenazole + hygiene measures for all members of the household
Which conditions have an X-linked recessive pattern?
- Duchenne muscular dystrophy
- Haemophilia
- G6PD deficiency
Which conditions have an autosomal recessive pattern?
- Cystic fibrosis
- Sickle cell anaemia
- Haemochromatosis
- Gilbert’s syndrome
What inheritance pattern do the majority of genetic conditions have?
Autosomal dominant
How does homocystinuria present?
- Young adult
- Lens dislocation
- Tall
- Arachnodactyly
- LD
- DVT
How is Duchenne muscular dystrophy diagnosed?
Genetic testing
How does Duchenne muscular dystrophy present?
- Wasting + weakness of calf muscles
- Positive Gower’s test-> walk arms up legs to get up from floor
Most common cause of arrest in children?
Respiratory-> hypoxia
When are hypospadias surgically corrected?
Around 12 months of age
What is a side effect of methylphenidate?
Stunted growth
What medication can be used in ADHD?
Methylphenidate
What imaging is used in slipped upper femoral epiphysis (SUFE)?
Plan X-ray of both hips (AP + frog legs view)
What is a poor prognostic factor for congenital diaphragmatic hernia?
Liver in thoracic cavity
How does roseola infantum present?
- High fever for a few days
- Then maculopapular rash
- Febrile convulsions
- Diarrhoea
- Cough
- Can progress to aseptic meningitis or hepatitis
- Often age 6 months to 2 years
What causes roseola infantum?
Human Herpes Virus 6
What is cryptorchidism?
Undescended testes
What should be done when a child presents with acute limp + fever?
Refer urgently for same day assessment-> may need to exclude septic arthritis
How does retinoblastoma present?
- Absent red reflex
- White pupil (leukocoria)
- Strabismus
- Visual problems
What is the prognosis for retinoblastoma?
90%+ survive to adulthood
What is gastroschisis?
Congenital defect in anterior abdominal wall just lateral to umbilical cord
How is gastroschisis managed?
- Vaginal delivery if possible
- Immediate repair (within 4 hours)
What is exomphalos (omphalocoele)?
Abdominal contents protrude through anterior abdo wall-> covered in amniotic sac (amniotic membrane + peritoneum)
How is exomphalos (omphalocoele) managed?
- C-section
- Staged repair
What is the most common cause of nappy rash?
Irritant dermatitis
What are the features of an innocent murmur?
- Soft
- Systolic
- Short
- Symptomless
- Standing/sitting-> vary with position
What is used to promote duct closure in PDA?
Indomethacin or ibuprofen
How does necrotising enterocolitis present?
- Feeding intolerance
- Abdo distention
- Bloody stools
- Bilious vomiting
- Later-> abdo discolouration, perforation, peritonitis
What are the abdominal X-ray signs of necrotising enterocolitis?
- Dilated bowel loops (asymmetrical)
- Bowel wall oedema
- Intramural gas (pneumatosis intestinalis
- Portal venous gas
- Pneumoperitoneum from perforation
- Rigler sign-> air inside + outside of bowel wall
- Football sign-> air outlining falciform ligament
What is the most common cause of hypothyroidism in children in the UK?
Autoimmune thyroiditis
What can cause cleft palate with no other abnormalities?
Maternal anti-epileptic use in pregnancy
What is the first sign of puberty in boys?
Testicular growth-> at about 12 years old
How is SUFE managed?
Refer to ortho for in situ fixation with cannulated screw
What is a rare but serious complication of chickenpox?
Necrotising fasciitis
How does pyloric stenosis present?
- More in males
- Projectile + non-bile stained vomit
- 4-6 weeks old
How is pyloric stenosis diagnosed?
- Test feed
- US
How is pyloric stenosis treated?
Ramstedt pyloromyotomy
How does intussusception present?
- Usually 6-9 months old
- Colicky pain
- D+V
- Sausage shaped mass
- Red jelly stools
How is intussusception managed?
reduction with air insufflation
How does malrotation present?
- Bile stained vomit
- Might have other pathology eg exomphalos or congenital diaphragmatic hernia
How is malrotation diagnosed?
- US
- Upper GI contrast study
How is malrotation maganed?
- Laparotomy
- Volvulus present-> Ladd’s procedure
What is Hirschsprung’s disease?
Absence of ganglion cells from myenteric and submucosal plexuses
How does Hirschsprung’s disease present?
- Delayed meconium passage
- Abdominal distention
How is Hirschsprung’s disease diagnosed?
Full thickness rectal biopsy
How is Hirschsprung’s disease treated?
- Rectal washouts
- Anorectal pull through procedure
What is meconium ileus usually associated with?
Cystic fibrosis
What is the main risk factor for necrotising enterocolitis?
Prematurity
What causes impetigo?
Staph aureus or strep pyogenes
What is the stereotypical appearance of impetigo?
Golden crusted skin lesions around the mouth
How might impetigo be treated?
- Hydrogen peroxide 1% cream
- Topical fusidic acid
- Oral flucloxacillin
How long should children with impetigo stay off school for?
Until lesions are crusted and healed OR 48 hours after starting antibiotic treatment
How are burns assessed in children?
- Lund and browder chart (most accurate)
- Wallace’s rules of nines
How does biliary atresia present?
- First few weeks of life
- Jaundice
- Dark urine + pale stools
- Appetite and growth disturbance
- High conjugated bilirubin
- Hepatomegaly
- Raised liver transaminases
How long should kids stay off school after developing whooping cough?
- 2 days after commencing antibiotics
- OR 21 days from onset of symptoms
How long should kids stay off school after developing roseola?
No need to stay off school
How long should kids stay off school after developing slapped cheek syndrome?
No need to stay off school
How long should kids stay off school after developing glandular fever?
No need to stay off school
How long should kids stay off school after developing scarlet fever?
24 hours after starting antibiotics
How long should kids stay off school after developing measles?
4 days fron rash onset
How long should kids stay off school after developing rubella?
5 days from rash onset
How long should kids stay off school after developing mumps?
5 days from onset of swollen glands
How long should kids stay off school after developing scabies?
Until treated
How long should kids stay off school after developing influenza?
Until recovered
How long should kids stay off school after developing chickenpox?
- Until all lesions crusted over
- Usually 5 days after rash onset
What blood results does pyloric stenosis typically give?
- Hypochloraemia
- Hypokalaemia
- Alkalosis
How should phimosis (non-retractable foreskin) be managed?
- If <2 years-> normal + resolves with time
- If >2 with recurrent infections-> consider for treatment
What imaging should be done in SUFE?
Hip X-ray
What imaging should be done in suspected Perthe’s disease when hip X-ray was normal?
MRI scan
What is the next investigation of choice in recurrent UTIs (after US)?
Micturating cystography
What is the classic presentation of juvenile idiopathic arthritis?
- Joint pain + salmon pink rash
- Can also get pyrexia, lymphadenopathy, uveitis, anorexia, weight loss
When should unilateral undescended testicle be referred?
Age 3 months
What are the three findings in shaken baby syndrome?
- Retinal haemorrhages
- Subdural haematoma
- Encephalopathy
What would a girl with haemophilia also be likely to have?
Turner’s syndrome (only one X chromosome)
What are the features of an atypical UTI?
- Seriously ill
- Poor urine flow
- Abdominal or bladder mass
- Raised creatinine
- Septicaemia
- Failure to respond to antibiotic within 48 hours
- Non- E.coli
When should kids be referred to paeds for their height/growth?
-If they are below the 0.4th centile
When is jaundice always pathological?
<24 hours of life
What is the first line investigation in suspected DDH when the patient is >4.5 months old?
X-ray
How is whooping cough managed?
- Clarithromycin, azithromycin, erythromycin etc
- Within 21 days of symptom onset
What causes whooping cough?
Bordetella pertussis-> gram-negative bacterium
What is androgen insensitivity syndrome?
Child with XY chromosomes has ‘female’ phenotype
How does androgen insensitivity syndrome present?
- Primary amenorrhoea
- Undescended testes-> groin swelling
- Little pubic/axillary hair
- Breast development
What cardiac pathology is associated with Duchenne muscular dystrophy?
Dilated cardiomyopathy
How does cephalohaematoma present?
- Swelling-> bleed between periosteum + skull
- Instrumental delivery
- 2-3 days after delivery
- Doesn’t cross suture lines
How does caput succedeneum present?
- Immediately after birth
- Generalised superficial scalp oedema
- Crosses suture lines
- Often prolonged labour