amiodarone hydrochloride was used to treat 19 patients with symptomatic arrhythmias refractory to quinidine sulfate , procainamide hydrochloride , disopyramide phosphate , antazoline hydrochloride , lidocaine hydrochloride , bretylium tosylate , propranolol hydrochloride , phenytoin sodium , and practotol acetanilide given to the limit of tolerance .
C0003811
arrhythmias
C0600311
procainamide hydrochloride