Implantable cardioverter-defibrillator. Definition

Medical Definition: Implantable cardioverter-defibrillator

Small device that is used to correct a heartbeat that is abnormal (too fast, too slow or irregular). The device is surgically placed in the chest or abdomen. The wires to connect the device to the heart is passed through a vein. When the device detects abnormal heartbeats, it sends an electric shock to the heart to restore normal heartbeat. Also called CDI.

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