open access

Vol 16, No 6 (2009)
Images in Cardiology
Published online: 2009-11-19
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T wave oversensing and low percentage of biventricular pacing in cardiac resynchronization therapy

Antonio O. Luque Lezcano, Jose Manuel Porres Aracama, Vicente Urbistondo Ayestaran, Francisco Garcia Urra
Cardiol J 2009;16(6):580-581.

open access

Vol 16, No 6 (2009)
Images in Cardiology
Published online: 2009-11-19

Abstract

The success of cardiac resynchronization therapy (CRT) depends on a high percentage of ventricular pacing. We present the electrocardiography and electrograms of a patient who underwent an implantable cardioverter-defibrillator (ICD) with CRT implantation showing a low percentage of ventricular pacing as a result of T wave oversensing of paced QRS. The patient showed no clinical improvement.
We suggest finding a good sensitivity of F waves in induced ventricular fibrillation during ICD implantation in order to overcome the harm of possible oversensing.

Abstract

The success of cardiac resynchronization therapy (CRT) depends on a high percentage of ventricular pacing. We present the electrocardiography and electrograms of a patient who underwent an implantable cardioverter-defibrillator (ICD) with CRT implantation showing a low percentage of ventricular pacing as a result of T wave oversensing of paced QRS. The patient showed no clinical improvement.
We suggest finding a good sensitivity of F waves in induced ventricular fibrillation during ICD implantation in order to overcome the harm of possible oversensing.
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Keywords

cardiac resynchronization therapy; T wave oversensing

About this article
Title

T wave oversensing and low percentage of biventricular pacing in cardiac resynchronization therapy

Journal

Cardiology Journal

Issue

Vol 16, No 6 (2009)

Pages

580-581

Published online

2009-11-19

Bibliographic record

Cardiol J 2009;16(6):580-581.

Keywords

cardiac resynchronization therapy
T wave oversensing

Authors

Antonio O. Luque Lezcano
Jose Manuel Porres Aracama
Vicente Urbistondo Ayestaran
Francisco Garcia Urra

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