Obat-obatan antiarrhythmic menurut Vaughan Williams dapat dibagi menjadi empat kelas (I-IV) didefinisikan berdasarkan efek electrophysiological pada miokardium.
Obat class 1 : Sodium Channel Bloker
1 A :(quinidine, procainamide dan dispopyramide), 1 B : lidocaine, mexiletine and tocainide , 1 C : flecainide, propafenone and moricizine
Obat calss 2 : Beta Adrenoceptor Blockers
Β1 Selective : Acebutolol, Atenolol, Bisoprolol, Esmolol (IV only), Metoprolol
Non (β 1) selective : Nadolol, Propranolol
Non Β selective...
