A 20-year-old man is brought to the emergency department after he was stabbed in the left arm in a street fight. The patient presented with diffuse bleeding, that stopped with direct pressure. A deep stab is found in the proximal part of the left cubital fossa, at the lateral side of the medial epicondyle. Physical examination shows impaired sensation in the lateral palm and the palmar surface of the first 3 1/2 digits at the palmar side, abnormality with flexing the proximal interphalangeal joints, and inability to pronate the forearm. Which of the following additional structures do you expect to be injured?

Question

Quizplus · Accepted Answer

Eductional Objective: The medial bicipital groove of the upper arm contains the brachial artery passing with the median and the ulnar nerves. The median and the ulnar nerves diverge close to the elbow, the brachial artery passes with the median nerve in the cubital fossa. Therefore, median nerve injury in the cubital fossa damages the brachial artery.

A 20-Year-Old Man Is Brought to the Emergency Department After