Yawn maneuver to prevent atelectasis.
D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D009871:Operating Room Nursing; D011183:Postoperative Complications / Q000451:nursing / Q000517:prevention & control*; D001261:Pulmonary Atelectasis / Q000209:etiology / Q000517:prevention & control*; D012119:Respiration