Acute radial nerve compression following routine venipuncture in an anticoagulated patient.

Venipuncture is a commonly used modality for therapeutic monitoring in patients on anticoagulant therapy. The antecubital fossa provides an easily accessible site with low associated morbidity. A case report of an acute complete radial nerve compression neuropathy that developed after antecubital venipuncture in a patient on anticoagulant therapy is presented.