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Recurrent Ventricular Tachycardia Induced by an Atrial Synchronous Ventricular‐Inhibited Pacemaker
Author(s) -
FREEDMAN ROGER A.,
ROTHMAN MARTIN T.,
MASON JAY W.
Publication year - 1982
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1982.tb02266.x
Subject(s) - medicine , cardiology , ventricular pacing , tachycardia , ventricular tachycardia , permanent pacemaker , cardiac pacemaker , atrial tachycardia , stimulus (psychology) , heart failure , atrial fibrillation , catheter ablation , psychology , psychotherapist
Atrial synchronous pacemakers have been known to cause a variety of cardiac arrhythmias. Of particular concern are those arrhythmias invoiv ing a pacemaker stimuius occurring on a T wave, because these may lead to ventricuiar tachycardia. The Medtronic 2409 ASVIP pacemaker is an atrial synchronous pacemaker with several features de signed to decrease the likelihood of such arrhythmias. We report a patient in whom a normally func tioning Medtronic 2409 ASVIP pacemaker, despite these features, induced recurrent ventricular tachycardia. Conditions which predisposed this patient to pacemaker‐induced re‐entrant arrhythmias are discussed. [PACE, Vol. 5, July‐August, 1982]