In MADIT-RIT , @ patients with a primary prophylactic indication for ICD or cardiac resynchronization therapy with defibrillator were randomized to @ of @ different ICD programming arms : conventional programming ( ventricular tachycardia zone @ beats per minute ) , high-rate programming ( ventricular tachycardia zone @ beats per minute ) , and delayed programming ( @-second delay before therapy @ beats per minute ) .