Rapidly progressing pulmonary vascular obstructive disease. Association with ventricular septal defects during early childhood.
D006328:Cardiac Catheterization; D002675:Child, Preschool; D004562:Electrocardiography; D006343:Heart Septal Defects; D006345:Heart Septal Defects, Ventricular / Q000150:complications*; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D007223:Infant; D011651:Pulmonary Artery / Q000473:pathology; D011655:Pulmonary Embolism / Q000209:etiology*; D014655:Vascular Resistance