title: Abnormalities of blood gas exchange in COPD.
mesh_terms: D000367:Age Factors; D001158:Arteries; D001769:Blood; D001925:Brain Damage, Chronic / Q000209:etiology; D002245:Carbon Dioxide / Q000097:blood*; D003128:Coma / Q000209:etiology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006935:Hypercapnia / Q000209:etiology; D000860:Hypoxia / Q000150:complications / Q000209:etiology; D008173:Lung Diseases, Obstructive / Q000503:physiopathology* / Q000628:therapy; D008297:Male; D010100:Oxygen / Q000097:blood*; D010102:Oxygen Inhalation Therapy; D010313:Partial Pressure; D011650:Pulmonary Alveoli / Q000098:blood supply / Q000503:physiopathology; D011652:Pulmonary Circulation; D012039:Regional Blood Flow; D012119:Respiration; D012131:Respiratory Insufficiency / Q000209:etiology; D012890:Sleep; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen