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Europace Advance Access originally published online on June 13, 2006
Europace 2006 8(8):625-628; doi:10.1093/europace/eul049
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© The European Society of Cardiology 2006. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

ICD

Electrical storm of monomorphic ventricular tachycardia after a cardiac-resynchronization-therapy-defibrillator upgrade

Bharat K. Kantharia*, Jigar A. Patel, Bipinpreet S. Nagra and Gary S. Ledley

Division of Cardiology, Albert Einstein Medical Center, 5501 Old York Road, Levy 3 East, Philadelphia, PA, USA

In patients with significant left ventricular dysfunction and congestive heart failure despite optimal medical therapy, implantation of cardiac resynchronization therapy-defibrillation (CRT-D) devices has been shown to improve symptoms and mortality. In this report, we describe a case of a patient with ischaemic cardiomyopathy who developed incessant ventricular tachycardia (VT) after undergoing an upgrade from an implantable cardioverter defibrillator to a CRT-D device. The patient required multiple anti-arrhythmic agents, removal of the coronary sinus lead, and radiofrequency ablation to control VT. Thus, in rare patients, the CRT devices may potentially cause ‘proarrhythmia’ with serious consequences.

Key Words: Cardiac resynchronization therapy, Ventricular tachycardia, Cardiomyopathy, Congestive heart failure, Anti-arrhythmic agents, Radiofrequency ablation, Proarrhythmia

* Corresponding author: Associate Professor of Medicine, The Ohio State University Medical Center, Davis Heart and Lung Research Institute, 473 est 12th Avenue, Columbus, OH 43210, USA. Tel: +1 614 293 4946; fax: +1 614 293 5614. E-mail address: bkantharia{at}yahoo.com


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[Abstract] [Full Text] [PDF]


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