Oxygen- and carbon dioxide tensions in pulmonary veins as an estimate of regional ventilation/perfusion.
D001692:Biological Transport; D002245:Carbon Dioxide / Q000097:blood*; D006328:Cardiac Catheterization; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D010092:Oximetry; D011667:Pulmonary Veins; D012039:Regional Blood Flow; D012129:Respiratory Function Tests
D002245:Carbon Dioxide