An implantable cardioverter-defibrillator is a device that watches the heart's rhythm continuously and delivers treatment if a dangerous fast rhythm starts. It can pacify the heart painlessly or give a shock to restore normal rhythm, which can prevent sudden cardiac death.

Patients seeking a cardiologist in Mulund for rhythm risk at Apex are evaluated with echocardiography, ECG and rhythm recordings. An ICD may be advised after a cardiac arrest or life-threatening rhythm or as prevention in people with a weak heart and a low ejection fraction or with certain inherited rhythm conditions. The cardiologist discusses benefits, the possibility of shocks and the alternatives.

Implantation resembles a pacemaker procedure. It is done under local anaesthesia with sedation, through a small cut below the collarbone, with leads placed in the heart and a generator under the skin. The procedure takes one to two hours, and patients typically stay overnight. For a period, driving restrictions apply, and follow-up includes regular device checks.

How the Procedure Can Help

An ICD can stop a life-threatening rhythm within seconds and provides protection to people at high risk.

Risks and Considerations

Risks include infection, bleeding, lead problems, unnecessary shocks and anxiety about shocks. A single shock followed by feeling well should be reported to the doctor, while repeated shocks, fainting or chest pain need emergency care. Counselling and support are offered, and device batteries are replaced when they run low.