New Delhi, Aug. 30 -- In a shocking incident, a 39-year-old consultant cardiac surgeon died of a massive heart attack while on duty at Saveetha Medical College and Hospital in Chennai.

Dr Gradlin Roy, who specialised in treating patients with complex heart conditions, suddenly collapsed during hospital rounds on Wednesday. Despite immediate and extensive resuscitation efforts by his colleagues, he could not be revived.

According to Hyderabad-based neurologist Dr Sudhir Kumar, Dr Gradlin Roy's colleagues deployed every possible life-saving intervention.

"Colleagues fought valiantly - CPR, urgent angioplasty with stenting, intra-aortic balloon pump, even ECMO. But nothing could reverse the damage from a massive cardiac arrest due to a 10...