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Supraventricular tachycardia in a patient receiving ECT, clozapine, and caffeine
M D Beale1, J T Pritchett, C H Kellner
1Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, Charleston 29425.
Convulsive Therapy
|September 1, 1994
Abstract:
A patient receiving electroconvulsive therapy (ECT), clozapine, and intravenous caffeine sodium benzoate developed supraventricular tachycardia. This was rapidly treated with intravenous verapamil. Subsequent maintenance ECT given without caffeine was well tolerated. We believe the combination of clozapine and caffeine at the time of ECT was responsible for the arrhythmia.