forty-one patients , presenting with complex ventricular arrhythmias , received antiarrhythmic treatment with amiodarone ( 600 mg/day in the first week , 400 mg/day in the second week , and 200 to 400 mg/day chronically ) , and were then controlled with periodic 24-hour ambulatory monitoring .
C0003195
antiarrhythmic
C0002598
amiodarone