the effects of the antiarrhythmic drugs disopyramide ( d ) , mexiletine ( m ) , and propafenone ( p ) on left ventricular function after intravenous injection and after oral therapy of at least 48 hours , and of the combined oral application of d and m , were studied by m-mode echocardiography in patients with ventricular arrhythmias in whom antiarrhythmic therapy was indicated .
C0025887
mexiletine
C0003195
antiarrhythmic