Abstract
Implantable cardioverter defibrillator (ICD) -DDD for arrhythmogenic heart disease of unknown etiology, with the induction of ventricular tachycardia by the right ventricle (RV) of the shock electrode. The arrhythmia generated by the ICD electrode itself was the cause of multiple episodes with appropriate anti-tachycardia pacing (ATP) and shock therapy. The etiology of the arrhythmia was confirmed by electrophysiological study and successful treatment was performed with ablation, without the need for surgical repositioning of the electrode.
Highlights
An interesting case is reported by the induction of ventricular arrhythmia by the device that aims to treat it
Interrogation of the device revealed about 200 episodes of tachyarrhythmia, most of nonsustained ventricular tachycardia (NSVT), a minority of sustained monomorphic ventricular tachycardia (SMVT) interrupted with anti-tachycardia pacing (ATP) and one episode of failure in successive ATPs and appropriate shock
New electrophysiological study and ablation (EPS/ABL) was scheduled within one week and the drugs were adjusted, but the patient progressed without any arrhythmia episode, and the procedure for observation was canceled
Summary
An interesting case is reported by the induction of ventricular arrhythmia by the device that aims to treat it. The patient is followed up at the Arrhythmia Service of the Instituto Nacional de Cardiologia (National Institute of Cardiology), in the state of Rio de Janeiro.
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