Gas exchange.
D001784:Blood Gas Analysis / Q000379:methods; D006801:Humans; D008168:Lung / Q000502:physiology / Q000503:physiopathology; D008991:Monitoring, Physiologic; D011379:Prognosis; D011659:Pulmonary Gas Exchange; D012129:Respiratory Function Tests / Q000295:instrumentation / Q000379:methods; D012131:Respiratory Insufficiency / Q000503:physiopathology