title: Improved intraventricular conduction of premature beats after diphenylhydantoin.
mesh_terms: D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000188:drug therapy* / Q000503:physiopathology; D006328:Cardiac Catheterization; D005117:Cardiac Complexes, Premature / Q000209:etiology / Q000503:physiopathology; D004558:Electric Stimulation; D004562:Electrocardiography; D006329:Heart Conduction System / Q000187:drug effects* / Q000503:physiopathology; D006352:Heart Ventricles / Q000187:drug effects; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial; D010672:Phenytoin / Q000627:therapeutic use*
chemical_list: D010672:Phenytoin