title: QT-interval prolongation, paroxysmal ventricular arrhythmias, and convulsive syncope.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000175:diagnosis; D000328:Adult; D001145:Arrhythmias, Cardiac / Q000150:complications* / Q000188:drug therapy; D003638:Deafness / Q000151:congenital; D004562:Electrocardiography; D005260:Female; D006801:Humans; D010672:Phenytoin / Q000627:therapeutic use*; D012964:Sodium; D013575:Syncope / Q000209:etiology*; D013614:Tachycardia, Paroxysmal / Q000150:complications* / Q000188:drug therapy
chemical_list: D010672:Phenytoin; D012964:Sodium