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By Sandeep JauharSnehal Patel and Deane Smith
Dr. Jauhar is a cardiologist at Northwell Health in New York, where Dr. Patel and Dr. Smith are the directors of the center for heart failure and transplant.
People die in many ways, but in medicine there are only two reasons a person can be declared dead: Either the heart has stopped or the brain has ceased to function, even if the heart is still beating.
