A tiny battery-operated device known as an Implantable Cardioverter Defibrillators (ICD) is inserted into the chest to identify and treat abnormal heartbeats (arrhythmias). When necessary, an ICD administers electric shocks to the heart to help it return to a normal rhythm. Patients need an ICD if they have a dangerously rapid heartbeat (such as ventricular tachycardia or ventricular fibrillation) that prevents the heart from pumping enough blood to the rest of the body, or if they are at high risk of developing such a heart rhythm issue (arrhythmia), typically as a result of a weak heart muscle.
The majority of occurrences of sudden cardiac arrest are brought on by ventricular tachycardia (VT) or ventricular fibrillation, which is a rapid or erratic heartbeat (VF). Most patients of cardiac arrest can be saved if they receive care within minutes, however the only cure is to provide an electrical shock. It was discovered that electrical devices that shocked the heart may change an excessively rapid rhythm into a normal one with the creation of hospital coronary care units. Implantable Cardioverter Defibrillators have been a successful preventative and therapeutic measure for improved disease management of individuals worldwide who are at a higher risk of suffering sudden cardiac arrest.
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