antiarrhythmic drugs of class i may be subdivided into those with a short recovery time of na+ channels ( lidocaine-type ) , those with an intermediate recovery time , such as quinidine and newer antiarrhythmics such as flecainide and propafenone , and those with a recovery time greatly exceeding 1 s , such as disopyramide and prajmaline .
C0023660
lidocaine
C0003195
antiarrhythmics