What is "tocainide"

n. A particular antiarrhythmic drug that is a lidocaine analog.

n. antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed [syn: Tonocard]

Tocainide (Tonocard) is a class Ib antiarrhythmic agent. It is no longer sold in the United States.