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Sudden cardiac arrest (SCA) is one of the most devastating cardiovascular emergencies. SCA happens when the electrical system of the heart malfunctions, resulting in deadly arrhythmias, as opposed to a heart attack, which is brought on by limited blood supply to the heart muscle. Since survival rates are still poor, prevention is a top public health priority.

1 to 1.6 million sudden cardiac deaths occur in India every year. A study published in the Indian Heart Journal estimated that over 7,000 out-of-hospital cardiac arrests occur every day in India.