twenty-two patients with coronary artery disease and spontaneous ventricular tachycardia ( vt ) or ventricular fibrillation ( vf ) underwent intracardiac electrophysiologic evaluation and , when possible , ambulatory monitoring before and after therapy with flecainide ( mean dose 418 +/- 87 mg [ mean +/- standard deviation ] ) .
C0042514
ventricular
C0016229
flecainide