title: The long QT interval: clinical significance and therapeutic implications.
mesh_terms: D000293:Adolescent; D009202:Cardiomyopathies / Q000175:diagnosis* / Q000188:drug therapy; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis* / Q000188:drug therapy; D006801:Humans; D008297:Male; D010672:Phenytoin / Q000627:therapeutic use; D011433:Propranolol / Q000627:therapeutic use; D013575:Syncope / Q000188:drug therapy; D013577:Syndrome
chemical_list: D010672:Phenytoin; D011433:Propranolol