Fig. 1From: High flow nasal oxygen after bariatric surgery (OXYBAR), prophylactic post-operative high flow nasal oxygen versus conventional oxygen therapy in obese patients undergoing bariatric surgery: study protocol for a randomised controlled pilot trialA schedule for enrolment, intervention and assessment (Standardised Protocol Items: Recommendations for Interventional Trials (SPIRIT) figure). HFNO2, high flow nasal oxygen; EIT, electrical impedance tomography; PaO2/FiO2, arterial partial pressure of oxygen/fraction of inspired oxygen; PaCO2, arterial partial pressure of carbon dioxideBack to article page