Keywords: AF, atrial fibrillation; EC, externalized conductor; ETFE, ethylene tetrafluoroethylene; Electrical failure; HV, high voltage; ICD; ICD, implantable cardioverter-defibrillator; PTFE, polytetrafluoroethylene; Pacing failure; RV, right ventricular; Riata lead; SVC, superior vena cava; Shock; Short circuit.