title: Ventricular septal defect with altitude-dependent pulmonary hypertension.
mesh_terms: D000531:Altitude; D001794:Blood Pressure; D006328:Cardiac Catheterization; D002648:Child; D006345:Heart Septal Defects, Ventricular / Q000150:complications*; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000209:etiology*; D008297:Male; D011651:Pulmonary Artery; D014655:Vascular Resistance