Definitions for "Implantable Cardioverter Defibrillator"
An ICD is a surgically inserted electronic device that constantly monitors your heart rate and rhythm. When it detects a very fast, abnormal heart rhythm, it delivers electrical energy to the heart muscle. This causes the heart to beat in a normal rhythm again.
An electronic device placed inside the body to control life-threatening abnormal heart rhythms.
An ICD monitors the heart rhythm at all times. When necessary, the ICD treats the rhythm with a specific type of electrical therapy.