Upper Limb Trauma
A 28-year-old woman presents after falling onto her outstretched hand. Radiographs demonstrate a posterolateral elbow dislocation without fracture. After closed reduction under sedation, the elbow is concentrically reduced and stable through 30-130 degrees of flexion on stress testing. There is no block to motion. Regarding elbow dislocations:
Mark each as TRUE or FALSE
Posterolateral dislocation is the most common direction (90% of cases); the elbow is the second most...
The Horii circle describes the sequential soft tissue disruption: lateral collateral ligament comple...
The medial collateral ligament is the primary constraint to posterolateral rotatory instability; sim...
The lateral collateral ligament (LCL) complex is the primary lateral restraint and is always injured...
Stability assessment post-reduction is critical: if stable through 30-130 degrees = non-operative ma...
Answer the questions to see explanations
Click T (True) or F (False) for each option