Implantable cardiac defibrillator

An implantable cardioverter-defibrillator (ICD) is a device that detects any life-threatening, rapid heartbeat. If such a heartbeat, called an arrhythmia, occurs, the ICD quickly sends an electrical shock to the heart to change the rhythm back to normal.

2/27

Updated by: James Lee, M.D., Department of Surgery, Columbia Presbyterian Medical Center, New York, NY. Review Provided by VeriMed Healthcare Network.

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