UWorld - Peds Flashcards
Wiskott-Aldrich syndrome:
- Mechanism
- Symptoms
- X-linked recessive defect in WAS protein, causing impaired cytoskeleton in leukocytes and platelets
- Eczema, thrombocytopenia, recurrent infections
Juvenile idiopathic arthritis:
Lab findings
- Anemia (Low HgB)
- High Ferritin
- Thrombocytosis (High platelets)
- High gammaglobulin
- High inflammatory markers (ESR, CRP)
Corkscrew pattern on barium swallow
Midgut volvulus
Most common cause of cyanosis in neonatal period:
Dx
Tx
Dx = Transposition of Great Vessels Tx = Prostaglandins to keep ductus arteriosus patent
Most common cause of viral meningitis.
Enteroviruses (e.g. group B coxsackievirus)
Complete atrioventricular septal defect is most commonly associated with _________
Down syndrome
Patent ductus arteriosus is strongly associated with _____
Congenital Rubella Syndrome
DiGeorge is associated with what heart defect?
Tetralogy of Fallot
Acute unilateral lymphadenitis in a child
Staph aureus
Dx: Child with cervical paravertebral mass and Horner’s syndrome (ptosis, anhydrosis, miosis)
Neuroblastoma of cervical paravertebral sympathetic chain
Dx: Positive acidified glycerol lysis test
The glycerol lysis test demonstrates cellular osmotic fragility. It is used to diagnose hereditary spherocytosis.
Dx: Newborn with X-ray showing fluid in the interlobar fissures
Tx?
Transient tachypnea of the newborn
Tx: self resolution in 1-3 days
Dx: genu varum
= bowlegged = rickets = vitD defi
Most common cause of acute bacterial rhinosinusitis and the treatment.
Cause: Streptococcus pneumoniae OR Haemophilus influenzae.
Tx: amoxicillin-clavulanic acid
Dx: Inspiratory stridor that worsens in the supine position and improves in the prone position
Laryngomalacia (Increased laxity of supraglottic structures)
When to use EDTA + Dimercaprol
When Pb levels are above 70. OR in lead poisoning accompanied by acute encephalopathy.
When to use succimer.
Chelation in Pb toxicity when Pb levels are between 45-69
When to use ferrous sulfate
Tx of iron defi
Henoch-Schonlein Purpura pathogenesis and symtpoms
Pathogenesis = IgA vasculitis Symptoms = Lower extremity purpura, lower extremity arthralgia, abdominal pain / intrussusception, renal disease (hematuria)
Acute bacterial rhinosinusitis:
definition and Tx`
Definition = more than 10 days of symptoms Tx = amoxiciliin +/- clavulinate
Medical abortion medication
Mifepristone and Misoprostol
Medication that prevents pregnancy by delaying ovulation. Effective within 72 hours after intercourse.
Levonorgestrel
Genotypical male (46 X,Y), but phenotypical female
Androgen insensitivity syndrome
Inactivated vaccines
Polio
HepA