title: Supraventricular arrhythmias--digoxin and quinidine revisited.
mesh_terms: D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D001281:Atrial Fibrillation / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D011802:Quinidine / Q000627:therapeutic use*
chemical_list: D000889:Anti-Arrhythmia Agents; C009764:quinidine bisulfate; D011802:Quinidine