Avinash Mani1, Manoj Kumar Dubey2, Vineeta Ojha3. 1. Department of Cardiology, Sreechitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Thiruvananthapuram, Kerala 695011 India. 2. Department of Medicine, PMCH, Dhanbad, India. 3. Department of Cardiovascular Radiology and Endovascular Interventions, AIIMS, New Delhi, India.