title: Alveolar-arterial oxygen gradients in infants and children with left-to-right shunts.
mesh_terms: D000293:Adolescent; D000328:Adult; D002245:Carbon Dioxide / Q000032:analysis; D006328:Cardiac Catheterization; D002302:Cardiac Output; D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000503:physiopathology*; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology; D006345:Heart Septal Defects, Ventricular / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology; D007223:Infant; D007231:Infant, Newborn; D009584:Nitrogen / Q000032:analysis; D010100:Oxygen / Q000032:analysis; D011650:Pulmonary Alveoli / Q000503:physiopathology*; D011652:Pulmonary Circulation; D012129:Respiratory Function Tests; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D009584:Nitrogen; D010100:Oxygen