Fig. 1From: Effects of 30% vs. 60% inspired oxygen fraction during mechanical ventilation on postoperative atelectasis: a randomised controlled trialThe perioperative management of FiO2 in both groups. CT, computed tomography; FiO2, inspired oxygen fraction; PACU, post-anesthesia care unit; PEEP, positive end-expiratory pressure; TV, tidal volumeBack to article page