Hypoxemia immediately after operation.
D000367:Age Factors; D000769:Anesthesia, Inhalation / Q000009:adverse effects; D000775:Anesthesia, Spinal / Q000009:adverse effects; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D000860:Hypoxia / Q000209:etiology*; D008171:Lung Diseases / Q000601:surgery; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D011183:Postoperative Complications; D013997:Time Factors
D002245:Carbon Dioxide; D010100:Oxygen