C ardiac defibrillation is a way to return an abnormally fast or disorganized heartbeat to normal with an electric shock. An implantable cardiac defibrillator is a lifesaving device that's put inside your body. For people with very bad heart rhythm problems, a defibrillator is implanted under the skin of the abdomen and wires are run to your heart.
New models can both give defibrillation shocks and work as a pacemaker.
It knows when the heartbeat is not normal. It tries to return the heartbeat to normal. It works 24 hours a day. Visit your doctor on a regular basis. Talk to your doctor about your activities.