Rohan Magoon1, Neeti Makhija2, Sourangshu Sarkar1. 1. Department of Cardiac Anaesthesia, Cardiothoracic Centre, CNC, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India. 2. Department of Cardiac Anaesthesia, Cardiothoracic Centre, CNC, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India. Electronic address: neetimakhija@hotmail.com.