Localization of ulnar neuropathy with conduction block across the elbow

We performed short segment incremental stimulation on 13 consecutive patien ts with ulnar neuropathy across the elbow (UNE) and conduction block. Condu ction block occurred proximal to the medial epicondyle in 62%, at the epico ndyle in 23%, and below the elbow in 15%. The ulnar nerve may be more prone to external compression above the elbow than previously recognized. Short segment incremental studies are useful to identify conduction block above t he elbow in such patients. (C) 2001 John Wiley & Sons, Inc.