How Many Classes Of Antiarrhythmics Are There?
How Many Classes Of Antiarrhythmics Are There? Most antiarrhythmic drugs are grouped into 4 main classes (Vaughan Williams classification) based on their dominant cellular electrophysiologic effect (see table Antiarrhythmic Drugs (Vaughan Williams Classification)). What are the Class 3 antiarrhythmics? Class III agents include: bretylium, amiodarone, ibutilide, sotalol, dofetilide, vernakalant and dronedarone. What are the classes