oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients
Main Entry: fleĀ·caiĀ·nide Pronunciation: "fle-'kA-"nId Function: noun : an antiarrhythmic drugC17H20F6N2O3 administered in the form of its acetate especially to treat serious ventricular arrhythmias