India, Jan. 8 -- Vedanta chairman Anil Agarwal's son, Agnivesh, died at the age of 49 after suffering a cardiac arrest in the United States on Wednesday. His sudden passing has once again drawn attention to cardiac arrest, a life-threatening condition that can strike without warning.

In an interview with HT Lifestyle, Dr Abhijeet Palshikar, Director of Cardiology at Sahyadri Super Speciality Hospital, Deccan Gymkhana, Pune, explains what cardiac arrest is, how it differs from a heart attack, and the key symptoms people should watch out for. (Also read: Cardiologist warns this common winter activity can trigger heart problems, even in healthy people; shares warning signs )

"The untimely death of a young corporate leader such as Agnivesh ...