An implantable cardioverter defibrillator (ICD) is a device implanted to regulate irregular heart rhythms.
Like a pacemaker, an ICD consists of two parts. The leads are wires with electrodes at the tip that transmit electrical signals to and from the heart muscle.
The ICD is a small unit with a computer that monitors the heart rhythm and, when necessary, generates an electrical shock to restore a normal heart rate and rhythm.
The ICD can be programmed to meet the specific needs of every person. It can also store important information about how the heart is performing so that you are able to periodically retrieve that information.
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