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Case Reports
T wave oversensing and low percentage of biventricular pacing in cardiac resynchronization therapy.
- Antonio O Luque Lezcano, Jose Manuel Porres Aracama, Vicente Urbistondo Ayestaran, and Francisco Garcia Urra.
- Hospital Donostia Arrythmia Unit, Intensive Care Department, Donostia, Spain. oskar.luke@gmail.com
- Cardiol J. 2009 Jan 1;16(6):580-1.
AbstractThe 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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