An unusual resolution of T-wave oversensing in an implantable cardioverter defibrillator in a child with long QT syndrome.

Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing
Mitchell I CohenAndrew Papez

Abstract

T-wave oversensing poses a clinical challenge often resulting in inappropriate therapies and shocks. T-wave oversensing can often be resolved by certain programmable adjustments while accepting a small risk of undersensing ventricular fibrillation. The following case depicts a girl with LQT whose transvenous defibrillator repeatedly demonstrated T-wave oversensing despite optimizing various programmable features and a separate pace/sense lead. Utilization of an LV epicardial pace/sense lead with stable R-waves affirmed an unusual resolution of T-wave oversensing and avoidance of inappropriate shocks.

References

Sep 1, 1993·Pacing and Clinical Electrophysiology : PACE·B LüderitzM Manz
May 1, 1996·Pacing and Clinical Electrophysiology : PACE·G Y Perry, E M Kosar
Apr 11, 2003·Pacing and Clinical Electrophysiology : PACE·Slawomir WeretkaWolfgang Schoels
Jul 24, 2004·Pacing and Clinical Electrophysiology : PACE·Thomas KorteJürgen Tebbenjohanns
May 11, 2006·Journal of Cardiovascular Electrophysiology·F Roosevelt Gilliam

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Citations

Dec 18, 2014·Circulation. Arrhythmia and Electrophysiology·Charles D SwerdlowPaul A Friedman

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