You are called to see patient in your department who is awaiting orthopaedic admission for a complex lower leg fracture requiring operative fixation. Your registrar has placed the patient in an above knee cast which has been split laterally. The nurses are worried that the patient has increasing pain and distress. The orthopaedic registrar has been repeatedly delayed due to theatre cases.

Compartment syndrome

The initial XR (prior to immobilisation) is shown.

1. List (4) radiological abnormalities on this image. 4 marks

Your assessment is highly concerning for compartment syndrome.

2. Apart from increasing pain, list (4) features of your examination that would suggest the development of compartment syndrome in the leg. 4 marks

3. State (4) immediate management priorities in this situation. 4 marks