Dear Rediff, Its Not Cardiac Arrest but AMI (Acute Myocardial Ischemia) or Heart Attack in SImple WOrds. A Cardiac Arrest is an Electrical Failure which generally puts PAtient into Coma unless CPR is administered. Wishing Sourav best Wishes for his health. Also it has ben observed that due to stagnant lifestyle brought in by Covid 19 most of people who are addicted to Tread Mill have these types of health issues when they undergo hyper physical indulgence . Being Chief Ministers Representative for Covid Hospitals in Delhi I have seen many such cases. Dr. Kanwar Bir SIngh