An Implantable Cardioverter Defibrillator, or ICD, is a battery-powered device that keeps track of your heartbeat, and can deliver an electrical shock that will allow ventricular muscle fibrillation to return to a normal heartbeat. The ICD can detect irregular heart rhythms, called arrhythmias In the ventricles. When the ICD detects a dangerous arrhythmia, such as … Continue reading ICD Device