ICD Implantation (Implantable cardioverter-defibrillators)

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 An implantable cardioverter-defibrillator (ICD) is a small battery-powered device placed in the chest to detect and stop irregular heartbeats (arrhythmias). An ICD continuously monitors the heartbeat and delivers electric shocks, when needed, to restore a regular heart rhythm.




Types of ICDs:

An ICD is a type of cardiac therapy device. There are two basic types:

  • A traditional ICD is implanted in the chest, and the wires (leads) attach to the heart. The implant procedure requires invasive surgery.

  • A subcutaneous ICD (S-ICD) is another option that's implanted under the skin at the side of the chest below the armpit. It's attached to an electrode that runs along the breastbone. An S-ICD is larger than a traditional ICD but doesn't attach to the heart.

It is a treatment for heart failure in people whose lower chambers of the heart (ventricles) are not contracting in a coordinated manner. It is commonly used in people with heart failure or a condition called left bundle branch block, or in people who are likely to need cardiac pacing due to their slow heart rate.


You will usually stay overnight in the hospital after therapy. Your doctor will test your device before you leave the hospital to make sure it is programmed correctly. Most people can return to normal activities after a few days, but driving and lifting heavy objects may be restricted at times.



Accounting for thorough experience and practice, Dr. Aritra Konar is a Consultant Interventional Cardiologist at Apollo Gleneagles Hospital, Kolkata. He has been deemed one of the best cardiologists and heart surgeons in Kolkata for his expertise lies in Coronary (femoral & radial routes) angiography, Coronary angioplasty (including primary angioplasty), Peripheral angiography and angioplasty, Permanent pacemaker, ICD , CRT implantation, BMV, BPV, Right heart catheterization and so on, in procedural skills. His guidance is trusted and so are his skills.

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