Dr. Ashok Seth Chairman Fortis Escorts Heart Institute led the introduction of yet another life- saving technology for the first time in India; a wearable defibrillator called 'LifeVest' which treats cardiac arrest and saves lives especially after a massive heart attack. Karan Nanda a 37-years young man suffered a massive heart attack while playing football and was transferred to FEHI in a shock state on a ventilator and heart support devices. He suffered multiple cardiac arrests and was revived. He underwent an emergent angioplasty to open up blocked artery by Dr Seth and his team and gradually over next three