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)
features of congenital scoliosis
primary school children
part of a syndrome
features of idiopathic scoliosis
secondary school children
otherwise well
compensatory scoliosis
leg length discrepancy
Erb’s palsy nerve and Ix
C5/6 - upper trunk where the two meet
XR for clavicle/humeral #
features of systemic JIA
Still’s disease
salmon rash
ANA/RF -ve
features of oligoarticular JIA
4 or fewer
anterior uveitis
ANA +ve
extended JIA
initially 4 or fewer joints, extending to 5 or more after 6 months
features of polyarticular JIA
5 or more joint
RF -ve
features of enthesis related JIA
HLA B27
IBD/psoriasis
anterior uveitis
kyphosis vs scoliosis
kyphosis = forwards
scoliosis = sideways
Scheuermann’s
anterior side of vertebra grows more slowly resulting in kyphosis
migratory arthritis
rheumatic fever
SUFE range of movement
external rotation on hip flexion
cause of reactive arthritis
Chlamydia
XR for scoliosis
full spine
joint pain and ANA
JIA
SLE
