Amitabh Dutta, Nitin Sethi, Goverdhan D Puri, Jayashree Sood, Prabhat Kumar Choudhary, Anil Kumar Jain, Bhuwan Chand Panday, Manish Gupta. Institute of Anesthesiology, Pain, and Perioperative Medicine, Sir Ganga Ram Hospital, New Delhi, India.Department of Anesthesia and Intensive Care, Post Graduate Institute of Medical Education and Research, Chandigarh, India  Introduction Morbidly obese patients are more vulnerable to post surgery adverse respiratory outcome (upper air- way obstruction, obstructive sleep apnea, or sedation) primarily due to their altered body constitution (in- creased body mass index [BMI], lower upper airway smooth muscle tone, or excessive oropharyngeal soft tissue). It is also likely that...