1) Antiarrhythmic 2) Antiarrhythmic drug 3) Antiarrhythmic medication 4) Enkaid 1) Enkaid 
<chemical> (+-)-4-methoxy-n-(2-(2-(1-methyl-2-piperidinyl)ethyl)phenyl)- benzamide. An effective and generally well-tolerated anti-arrhythmia agent for suppressing all forms of ventricular arrhythmia. Paradoxically, however, in myocardial infarct patients with either symptomatic or asymptomatic arrhythmia, encainide exacerbates the arrhythmia...
(en-ka´nīd) a sodium channel blocking agent that acts on the Purkinje fibers and myocardium; used as the hydrochloride salt in treatment of life-threatening arrhythmias.
[n] - antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
Enkaid noun antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients