atrial fibrillation ( 60 % to 70 % ) , atrial tachycardia ( 90 % to 100 % ) , and nodal and av tachycardia ( 80 % to 90 % ) are generally terminated , while flutter is usually slowed , but in a small proportion of patients ( 10 % to 20 % ) might be terminated by the intravenous use of flecainide acetate .
C0004238
atrial fibrillation
C0086303
flecainide acetate