Abhijit S Nair1, Balasubramanyam Kandukuri2, Thota Venkata Sanjeev Gopal2. 1. Department of Anesthesia, Care Hospital, Axon Anesthesia Associates, Hyderabad, India. Electronic address: abhijitnair95@gmail.com. 2. Department of Anesthesia, Care Hospital, Axon Anesthesia Associates, Hyderabad, India.