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Can J Cardiol. 2013 Feb;29(2):254.e5-7. doi: 10.1016/j.cjca.2012.06.005. Epub 2012 Aug 15.

Using left-ventricular-only pacing to eliminate T-wave oversensing in a biventricular implantable cardiac defibrillator.

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  • 1Division of Cardiology, University of British Columbia, Vancouver, British Columbia, Canada.


A man aged 75 years and with nonischemic cardiomyopathy had implantation of a biventricular implantable cardiac defibrillator (ICD). Consistent biventricular pacing was limited by intermittent T-wave oversensing (TWOS). A strategy of left-ventricular-only pacing was used to eliminate TWOS. This strategy obviates the need to reduce ventricular sensitivity and thus may be an effective alternative to biventricular pacing complicated by TWOS.

Copyright © 2013 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.

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