high angle view of an crt-p device and and an icd device

arrest arrhythmia artificial attack automated background body cardiac pacemaker cardiologist cardiology cardiovascular cath lab catheterization clinic crtd device crtp death defibrillator disease ecg electrophysiology equipment health healthcare heart heartbeat hospital implant implantable medical implantation isolated life medicine metal pacemaking pacing patient permanent pulse generator rate resynchronization therapy rhythm technology high angle view crt-p icd acardiac re-synchronization mini cardioverter