six of the 10 dogs given lidocaine had ventricular arrhythmias ( ventricular tachycardia in 5 cases and ventricular fibrillation in 1 case ) ( p = ns vs control group ; p less than 0.05 vs mexiletine group ) .
C0085612
ventricular arrhythmias
C0042510
ventricular fibrillation