Dr Amit Bhushan Sharma explains to NDTV's Ambika Singh Kahma when you may need a stent, what TAVR is, and how MitraClip can treat a leaking heart valve - helping you understand the procedures that could make a difference to your heart health. #NDTVLifeLine #HearthAttack #HeartHealth About NDTV (English news channel): NDTV is India's Most-Trusted News Broadcaster with the latest updates in news, sports, entertainment and much more from within India.