Early: see asymmetric soft tissue folds in groin, buttock & thigh, limb may be pulled prox & short
Galeazzi sign: relative ipsilateral shortening of femur compared to contralateral side
Ortolani on ALL young inf in ED, flex<unk>  & knee @ 90 degrees & the thigh is abducted, the lateral aspect of both thighs should touch the table, the dislocated side will be restricted & have "click" as head slips out of acetabulum
by 6 wk <30% will have + ortolani or bartlow
Galeazzi sign: relative ipsilateral shortening of femur compared to contralateral side
by 6 wk <30% will have + ortolani or bartlow
Developmental dysplasia of hip
Acute rheumatic fever
Avascular necrosis of hip
Ankle dislocation
Femur fracture
Hip bursitis
Juvenile idiopathic arthritis
Elbow dislocation