Postoperative hypoxia.
D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D007040:Hypoventilation / Q000209:etiology; D000860:Hypoxia / Q000209:etiology* / Q000517:prevention & control; D010100:Oxygen / Q000097:blood; D010313:Partial Pressure; D026741:Physical Therapy Modalities; D011183:Postoperative Complications / Q000517:prevention & control; D013909:Thorax
D002245:Carbon Dioxide; D010100:Oxygen