Increase in Ventricular Tachycardia Frequency After Biventricular Implantable Cardioverter Defibrillator Upgrade

We report the case of a patient in whom transvenous left ventricular pacing lead placement at the time of a biventricular upgrade led to an exacerbation of clinical monomorphic ventricular tachycardia (MVT). At implant, slow left ventricular pacing repeatedly induced sustained MVT. However, testing...

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Bibliographic Details
Published in:Journal of cardiovascular electrophysiology 2003-11, Vol.14 (11), p.1245-1247
Main Authors: GUERRA, JOSE M., WU, JIANYI, MILLER, JOHN M., GROH, WILLIAM J.
Format: Article
Language:English
Subjects:
Amiodarone - therapeutic use
Anti-Arrhythmia Agents - therapeutic use
Cardiac Pacing, Artificial - adverse effects
Cardiac Pacing, Artificial - methods
cardiac resynchronization therapy
Defibrillators, Implantable - adverse effects
Humans
implantable cardioverter defibrillator
left ventricular pacing
Male
Middle Aged
Tachycardia, Ventricular - drug therapy
Tachycardia, Ventricular - etiology
Tachycardia, Ventricular - therapy
Treatment Failure
ventricular tachycardia
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Summary:We report the case of a patient in whom transvenous left ventricular pacing lead placement at the time of a biventricular upgrade led to an exacerbation of clinical monomorphic ventricular tachycardia (MVT). At implant, slow left ventricular pacing repeatedly induced sustained MVT. However, testing of the biventricular pacing showed no MVT inducibility, and the system was implanted. The patient was readmitted due to multiple episodes of the MVT observed at implant. The MVT was controlled with pharmacotherapy, allowing the patient to continue with biventricular pacing. (J Cardiovasc Electrophysiol, Vol. 14, pp. 1245‐1247, November 2003)
ISSN:1045-3873
1540-8167
DOI:10.1046/j.1540-8167.2003.03303.x