Key result
A specific algorithm for ventricular arrhythmia reconfirmation before shock delivery in a fourth-generation ICD induced a life-threatening ventricular arrhythmia.
Case Report (n=1)
This case report provides first evidence that specific ICD algorithms for ventricular arrhythmia reconfirmation can accidentally induce life-threatening arrhythmias.
May warrant awareness of proarrhythmic risk with reconfirmation algorithms in fourth-generation ICDs; leaves open incidence and generalizability.
Sudden death among implantable cardioverter defibrillator (ICD) recipients is well known. The underlying mechanism remains unclear in most cases. One possible mechanism is an accidentally induced arrhythmia by the ICD itself. This report describes for the first time a case of a life-threatening ventricular arrhythmia induced by a specific algorithm for ventricular arrhythmia reconfirmation before shock delivery in a fourth-generation ICD.
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Wollmann et al. (2006) conducted a case report in Implantable cardioverter defibrillator (ICD) recipient (n=1). Fourth-generation ICD algorithm for ventricular arrhythmia reconfirmation was evaluated on Life-threatening ventricular arrhythmia. A specific algorithm for ventricular arrhythmia reconfirmation before shock delivery in a fourth-generation ICD induced a life-threatening ventricular arrhythmia.
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