the aim of this study was to compare the pharmacokinetics and antiarrhythmic activity of dihydroquinidine and quinidine in 14 patients ( 11 men , 3 women , aged 28 to 67 years ) with heart disease and chronic , stable , high-frequency premature ventricular beats ( pvb ) ( greater than 100/hr ) .
C0003195
antiarrhythmic
C0034414
quinidine