Description : Implantable cardioverter-defibrillator?
Last Answer : DefinitionAn implantable cardioverter-defibrillator (ICD) is a device that detects any life-threatening, rapid heartbeat. If such a heartbeat, called an arrhythmia, occurs, the ICD quickly sends an electrical shock ... built-in pacemaker. Your heart may need pacing if it is beating too slowly or t