the antiarrhythmic drugs such as quinidine sulfate , lidocaine hydrochloride , dl-propranolol hydrochloride , carteolol hydrochloride , atenolol , dl-verapamil hydrochloride , and diltiazem hydrochloride , given at a concentration of 10 mumol/liter , significantly suppressed the incidence and duration of such ventricular fibrillations .
C0282321
propranolol hydrochloride
C0042510
ventricular fibrillations