doctor places an implantable cardioverter-defibrillator (also called an ICD) in
the chest. The ICD has one or two wires called leads that connect to the heart
through a vein. The ICD checks the heartbeat for an abnormal rhythm. If the ICD
senses an abnormal heart rhythm, it sends out either electrical pulses or a
shock to fix it.
Primary Medical Reviewer
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Specialist Medical Reviewer
Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
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