title: Idiopathic hypertrophic subaortic stenosis. Long-term surgical follow-up.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000209:etiology; D000790:Angiocardiography; D001145:Arrhythmias, Cardiac / Q000209:etiology; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000150:complications / Q000401:mortality / Q000601:surgery*; D002648:Child; D002675:Child, Preschool; D004417:Dyspnea / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006333:Heart Failure / Q000209:etiology; D006350:Heart Valve Prosthesis; D006439:Hemodynamics; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010166:Palliative Care; D011433:Propranolol / Q000627:therapeutic use; D013575:Syncope / Q000209:etiology
chemical_list: D011433:Propranolol