Although myopotential oversensing by a dedicated bipolar lead is rare, an epicardial lead on a dilated ventricle might contribute to its sensitivity. Myopotential oversensing was notified by the Lead Integrity Alert in this case. We should be aware of this possibility for the management of such patients.
Keywords: Arrhythmogenic right ventricular cardiomyopathy; Lead Integrity Alert; dedicated bipolar lead; epicardial lead; implantable cardioverter defibrillator; myopotential oversensing.