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A Case of Ventricular Tachycardia Related to Caffeine Pretreatment

Cua, William L. MD; Pease Campbell, Jessica A. MD; Stewart, Jonathan T. MD*†

doi: 10.1097/YCT.0b013e318178d969
Case Reports

Suboptimal seizure duration is commonly encountered in electroconvulsive therapy practice, especially in older patients with higher seizure thresholds. Intravenous caffeine is commonly used to improve seizure duration and quality in such patients and is generally well tolerated aside from occasional reports of relatively benign ventricular ectopy. We describe a patient with no previous history of cardiac disease or arrhythmia who developed sustained bigeminy and 2 brief runs of ventricular tachycardia after caffeine administration. Although intravenous caffeine is generally well tolerated, the clinician should be aware of the potential for unpredictable and serious ventricular arrhythmias.

From the *Bay Pines VA Medical Center; and †University of South Florida College of Medicine, Bay Pines, Florida.

Received for publication April 1, 2008; accepted April 3, 2008.

Reprints: Jonathan T. Stewart, MD, Geropsychiatry Section (116G), VA Medical Center, Bay Pines FL 33744 (e-mail:

© 2009 Lippincott Williams & Wilkins, Inc.