Venous admixture component of the AaPO2 gradient.
D006801:Humans; D000860:Hypoxia / Q000503:physiopathology; D008954:Models, Biological; D011650:Pulmonary Alveoli / Q000502:physiology*; D011652:Pulmonary Circulation; D011653:Pulmonary Diffusing Capacity; D014692:Ventilation-Perfusion Ratio