Received from the Department of Anesthesiology, University of Nebraska Medical Center, Omaha, Nebraska 68105. Accepted for publication July 24, 1979.‡ McDonald JJ: Subdural Hematoma—An Unusual Post-lumbar Epidural, Post-puncture Complication. Abstracts of scientific papers, annual meeting of the American Society of Anesthesiologists, 1977, pp 455–456