a cardiac depressant used as the hydrochloride salt in the treatment of cardiac arrhythmias, administered orally, intramuscularly, or intravenously.
Cardiology An antiarrhythmic that may contain N-acetylprocainamide–Procan®, Pronestyl®
A local anaesthetic-like drug used intravenously to control heart irregularities by its action to diminish the excitability of the conducting bundles in the heart muscle. The drug is on the WHO official list. A brand name is Pronestyl.