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Type: Journal article
Title: Unrecognized failure of a narrow caliber defibrillation lead: the role of defibrillation threshold testing in identifying an unprotected individual
Author: Leong, D.
Van Erven, L.
Citation: Pacing and Clinical Electrophysiology, 2012; 35(6):154-155
Publisher: Futura Publ Co
Issue Date: 2012
ISSN: 0147-8389
Statement of
Darryl P. Leong and Lieselot Van Erven
Abstract: In this case report we describe a short circuit in the Riata 1570 defibrillator lead (Riata 1570, St. Jude Medical, St. Paul, MN, USA) that was unsuspected owing to normal lead parameters until defibrillator threshold testing at the time of elective generator change. On this occasion, the short circuit manifested as unsuccessful defibrillation of ventricular fibrillation with immediate battery depletion. This report adds weight to existing concerns over narrow caliber leads, it draws attention to the possibility of lead malfunction despite unremarkable interrogation, and lastly it highlights the potential role of routine defibrillator threshold testing, particularly at elective generator change (an issue that remains sparingly addressed in the existing literature).
Keywords: implantable cardioverter-defibrillator
congestive heart failure
lead failure
Riata lead
Rights: ©2012, The Authors.
DOI: 10.1111/j.1540-8159.2011.03321.x
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