The authors describe a method of monitoring photoplethysmographic changes in the lower extremities after an epidural injection. On the basis of their experience with a small series of cases, it is believed that this method can prove useful in the clinical practice of anesthesia in determining the onset of block with an accurate measure of objectivity. The method is rapid, highly sensitive, totally noninvasive, and reliable. The equipment used for this purpose is readily available on a commercial basis.
- Epidural block
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This work was performed at Lincoln Medical and Mental Health Center, Bronx, New York.
Address reprint requests to Dr. Mustafa: Department of Anesthesiology, 234 East 149th Street, Bronx, NY 10451.