title: Cardioversion in chronic atrial fibrillation.
mesh_terms: D001281:Atrial Fibrillation / Q000188:drug therapy / Q000628:therapy*; D002908:Chronic Disease; D004554:Electric Countershock / Q000009:adverse effects; D006801:Humans; D011654:Pulmonary Edema / Q000209:etiology; D011802:Quinidine / Q000627:therapeutic use; D012008:Recurrence
chemical_list: D011802:Quinidine