MSK Flashcards
can swaddling cause DDH
yes, in extension
DDH range of movement
limited hip abduction
DDH investigations
USS if <4/12 (done in 2-4 weeks if symptoms, or 6 weeks if RF only)
X ray if >4/12
typical cause of osteomyelitis/septic arthritis
bacteraemia
Duchenne’s CK level
high in babies
low in older children (muscle wasting)
drug for SLE
hydroxychloroquine
drug to avoid in SLE
sulfasalazine
area affected in normal ostemyelitis
metaphysis
area affected in sickle cell osteomyelitis
diaphysis
SUFE slip
proximal femoral epiphysis slips posteriomedially
ANA increases risk of
iridocyclitis
X ray finding of septic arthritis
widened joint space
HSP markers
raised IL6 and TNFa
HSP rash
initially blanchable
definitive test for Duchennes
muscle biopsy (not necessary after genetic diagnosis)