A 34-year-old Hispanic male comes in after being involved in a
street fight. He complains of painful and swollen left arm. X ray
shows fracture of midshaft of humerus. The neurovascular
examination is normal in left arm. Closed reduction of facture is
done and arm is kept in hanging cast. One hour later the patient
complains of numbness in the left wrist with marked limitation of
extension at wrist. Which of the following is the most likely
diagnosis at this time?
A.Radial nerve injury.
B.Brachial artery injury.
D.Ulnar nerve injury.
E.Median nerve injury