title: The long Q-T syndrome.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000328:Adult; D002648:Child; D003638:Deafness / Q000151:congenital*; D003645:Death, Sudden / Q000209:etiology*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology; D006801:Humans; D008297:Male; D013562:Sympathectomy; D013575:Syncope / Q000209:etiology* / Q000503:physiopathology / Q000517:prevention & control; D013577:Syndrome
chemical_list: D000319:Adrenergic beta-Antagonists