a device used to control an irregular heartbeat
an electronic device implanted in the body and intended to prevent cardiac arrest from severe ventricular tachycardia
a pacemaker - like device about the size of a pager that is implanted under the skin in the upper chest
a small device that regulates heartbeats
A small defibrillator, approximately the size of a beeper, which is implanted under the skin and monitors heart rhythm. If it detects an abnormal rhythm such as ventricular tachycardia or ventricular fibrillation, it automatically delivers a shock to the heart to return it back to normal rhythm.
A device surgically placed in a patient's chest wall or abdomen that is capable of recognizing unstable arrhythmias and delivering DC electrical current ( cardioversion) to stop the arrhythmia
