Using Left-Ventricular–Only Pacing to Eliminate T-Wave Oversensing in a Biventricular Implantable Cardiac Defibrillator

Abstract 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....

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Bibliographic Details
Published in:Canadian journal of cardiology 2013-02, Vol.29 (2), p.254.e5-254.e7
Main Authors: Khoo, Clarence, MD, Bennett, Matthew, MD, Chakrabarti, Santabhanu, MD, LeMaitre, John, MD, Tung, Stanley K.K., MD
Format: Article
Language:English
Subjects:
Aged
Cardiac Resynchronization Therapy - methods
Cardiovascular
Defibrillators, Implantable
Electrocardiography
Equipment Failure
Heart Failure - complications
Heart Failure - physiopathology
Heart Failure - therapy
Humans
Male
Tachycardia, Ventricular - complications
Tachycardia, Ventricular - therapy
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Summary:Abstract 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.
ISSN:0828-282X
1916-7075
DOI:10.1016/j.cjca.2012.06.005