PMID: 6160491Jan 1, 1980Paper

Multiform ventricular tachycardia

Pacing and Clinical Electrophysiology : PACE
D L RossD Hunt

Abstract

Electrophysiological studies were performed in three patients with chronic recurrent ventricular tachycardia (VT) associated with coronary artery disease. In each case the ventricular origin of the tachycardia was confirmed and induction of tachycardia by programmed stimulation suggested a re-entry mechanism. Multiple types of ventricular tachycardia were observed which differed in cycle length, QRS morphology, timing of local epicardial and endocardial ventricular electrograms and the use of the specialized conduction system for propagation. There was evidence of one or more re-entry circuits arising in or near previously infarcted areas, with features of cycle length alternation, change in exit points and variations in subsequent conduction through the myocardium and specialized conduction tissues. These findings suggest multiform VT can be due to a number of factors. A modified surgical approach is recommended for management of medically refractory VT when there is evidence of multiple types.

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Citations

Apr 23, 1981·The New England Journal of Medicine·J A KastorM E Josephson
Sep 29, 2015·Pacing and Clinical Electrophysiology : PACE·S Serge BaroldRoland X Stroobandt
Apr 21, 2007·Heart, Lung & Circulation·David L Ross
Jan 26, 2013·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Frederic E Van HeuverswynS Serge Barold
Jan 1, 1983·Pacing and Clinical Electrophysiology : PACE·T PinakattJ W Lister
Apr 1, 1992·Pacing and Clinical Electrophysiology : PACE·J D FisherH R Williams
Sep 1, 1983·Pacing and Clinical Electrophysiology : PACE·S Bharati, M Lev

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