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Paediatrics
intermediate
X-Type

DDH - Screening, Diagnosis, and Early Management

Hip Disorders

A 6-week-old female infant is referred for hip assessment. She was born via frank breech presentation at term, and there is a family history of hip dysplasia in the mother who required surgery as a child. On examination, there is a palpable clunk when abducting the left hip. The paediatrician orders an ultrasound and discusses screening protocols and treatment options. Regarding developmental dysplasia of the hip (DDH):

Mark each as TRUE or FALSE

A

The Barlow test is provocative (dislocates a located hip with posterior force and adduction), while ...

B

Risk factors for DDH include breech presentation (especially frank breech, highest risk), female sex...

C

Plain radiographs are the preferred imaging modality for DDH under 4 months of age; the Graf classif...

D

The Graf ultrasound classification uses coronal images to measure alpha angle (bony roof): Type I is...

E

The Pavlik harness maintains hips in flexion (90-110°) and abduction to center the femoral head and ...

Answer the questions to see explanations

Click T (True) or F (False) for each option