the minimum effective concentrations for digitalis arrhythmias were 1.7 +/- 0.4 micrograms/ml for disopyramide , 10.1 +/- 2.4 micrograms/ml for procainamide , 3.5 +/- 1.6 micrograms/ml for lidocaine , and 11.3 +/- 3.0 micrograms/ml for phenytoin .
C0003811
arrhythmias
C0012702
disopyramide