Effectiveness of the EMPOWER™ Modular Pacing System and EMBLEM™ Subcutaneous ICD to Communicate Antitachycardia Pacing

The MODULAR ATP Clinical Study will enroll subjects with a standard Implantable Cardioverter Defibrillator (ICD) indication applying international practice guidelines, as well as those who already have an implanted S-ICD System and satisfy the inclusion criteria for this study, while not meeting any exclusion criteria. Subjects will be followed for at least 6 months following mCRM Therapy System implantation.