the arrhythmia in 21 of the 35 patients had been unsuccessfully treated by digoxin ( 6 ) , verapamil ( 5 ) , ajmalin ( 4 ) , propranolol ( 3 ) , spartein ( 1 ) , phenytoin ( 1 ) , and lidocain ( 1 ) prior to the propafenone therapy .
C0003811
arrhythmia
C0023660
lidocain