title: [Effectiveness of anti-arrhythmia agents in atrial fibrillation paroxysms].
mesh_terms: D000328:Adult; D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D004341:Drug Evaluation; D004418:Dyspnea, Paroxysmal / Q000188:drug therapy; D004554:Electric Countershock; D004630:Emergencies; D006801:Humans; D008875:Middle Aged
chemical_list: D000889:Anti-Arrhythmia Agents
vernacular_title: Ob éffektivnosti nekotorykh antiaritmicheskikh sredstv pri paroksizmakh mertsaniia predserdiĭ.