Atrial fibrillation.
D000368:Aged; D001281:Atrial Fibrillation / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004562:Electrocardiography; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D008875:Middle Aged
D004071:Digitalis Glycosides