Understanding Implantable Cardiac Defibrillators (ICD): A Lifesaving Device

Cardiac Sciences

Understanding Implantable Cardiac Defibrillators (ICD): A Lifesaving Device

What is an ICD?

An ICD is an advanced medical device designed to protect patients from the risk of sudden cardiac death. It functions as a sophisticated pacemaker with the capability to treat dangerously fast heart rhythms.

Who Needs an ICD?

ICDs are recommended for individuals who:

• Have poor heart function, particularly an ejection fraction of less than 30%.
• Have experienced a heart attack in the past.
• Exhibit specific criteria on an ECG.
• Have survived sudden cardiac death or a cardiac arrest.
• Have experienced fast heart rhythms that caused blackouts or dangerously low blood pressure, requiring defibrillation.

How is an ICD Implanted?

The procedure is straightforward and performed by experienced cardiologists:

1. Preparation:
   • A small incision (3 to 4 cm) is made in the left shoulder groove.
   • A vein is isolated, and a wire is passed through it to the heart.
2. Placement:
   • The wire is secured to the bottom of the heart.
   • It is then connected to a pulse generator, which contains the battery and electronics necessary to detect and treat fast heartbeats.

Benefits and Safety

ICDs are life-saving devices for individuals at risk of sudden cardiac death. The implantation procedure is safe, with a short hospital stay of just one or two days. While there are minor risks such as bleeding, infection, or damage to the lining of the lung, these are managed effectively by the operating cardiologist.

Conclusion

If you or a family member may benefit from an ICD, consult your local cardiologist for further details. This device offers critical protection against sudden cardiac death and can be implanted safely with minimal risks.

Dr. Rajpal RL Singh | Fortis Hospital BG Road Bangalore

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Implantable Cardiac Defibrillators