Supine hypoxemia and erythrocytosis due to airway closure at low lung volumes.
D000328:Adult; D000402:Airway Obstruction / Q000150:complications*; D002245:Carbon Dioxide / Q000097:blood; D006801:Humans; D006863:Hydrogen-Ion Concentration; D000860:Hypoxia / Q000209:etiology*; D008168:Lung / Q000503:physiopathology*; D008170:Lung Compliance; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood; D010101:Oxygen Consumption; D010991:Plethysmography; D011086:Polycythemia / Q000209:etiology*; D011187:Posture; D011652:Pulmonary Circulation; D012129:Respiratory Function Tests; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity
D002245:Carbon Dioxide; D010100:Oxygen