PMID: 679762Aug 1, 1978

Procainamide-induced left anterior hemiblock of the 2:1 type (pseudoelectrical alternans)

Chest
H O KleinE Kaplinsky

Abstract

A selective defect in cardiac conduction in the anterior division of the left bundle branch was induced in a patient by therapy with procainamide hydrochloride. The defect in conduction, when intermittent, resulted in 2:1 Wencklebach sequences and produced a pattern similar to classic electrical alternans. The prognosis in drug-induced alternans is good, and it is important to differentiate it from true electrical alternans.

References

Feb 1, 1976·British Heart Journal·L Schamroth
Dec 1, 1972·The American Journal of Cardiology·S Mangiola
May 6, 1974·The American Journal of Cardiology·M E JosephsonA N Damato
Sep 1, 1971·American Heart Journal·M Cerqueira-Gomes, A Vasconcelos Teixeira
Jul 1, 1969·Circulation·M B RosenbaumJ O Lazzari
Feb 1, 1963·Circulation·D LITTMANN

Citations

Jan 1, 2012·Journal of Community Hospital Internal Medicine Perspectives·Marc Mugmon
Sep 29, 2015·Pacing and Clinical Electrophysiology : PACE·S Serge BaroldRoland X Stroobandt
Jan 1, 1988·Circulation·J M SmithR J Cohen
Apr 1, 1980·Circulation·J Marin-Garcia
Nov 2, 2018·JAMA Internal Medicine·Emily R CedarbaumNora Goldschlager
Aug 6, 2013·Southern Medical Journal·Manju GoyalJohn E Atwood

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