title: Acquired subvalvular right ventricular outflow obstruction in patients with ventricular septal defect.
mesh_terms: D001794:Blood Pressure; D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000000981:diagnostic imaging / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D002932:Cineangiography; D004562:Electrocardiography; D005260:Female; D006345:Heart Septal Defects, Ventricular / Q000150:complications* / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery; D006352:Heart Ventricles; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology; D007223:Infant; D011651:Pulmonary Artery; D011666:Pulmonary Valve Stenosis / Q000150:complications*; D013997:Time Factors