Singer KK's death, reportedly from a heart attack, or what is known in medical terms as myocardial infraction (MI), at the age of 53 has left the nation in shock. He complained of uneasiness during a concert in Kolkata but performed till the end of the event. But with a majority of Indians unaware that they are hypertensive and prone to strokes, it is important to know about warning signs, symptoms, and preventive treatments. Apollo Hospital's Joint Managing Director, Sangeeta Reddy, joins us to take us through aggravating factors of heart attacks and much more.