CLASS I (Na+-channel blockers)
Disopyramide (IA) NORPACE
Flecainide (IC) TAMBOCOR
Lidocaine (IB) XYLOCAINE
Mexiletine (IB) Generic only
Procainamide (IA) Generic only
Propafenone (IC) RYTHMOL
Quinidine (IA) Generic only
CLASS Il (β-adrenoreceptor blockers)
Atenolol TENORMIN
Esmolol BREVIBLOC
Metoprolol LOPRESSOR, TOPROL-XL
CLASS III (K+ Channel Blockers)
Amiodarone CORDARONE, PACERONE
Dofetilide TiKOSYN
Dronedarone MULTAQ
Ibutilide CORVERT
Sotalol BETAPACE, SORINE
CLASS IV (Ca²+ channel blockers)
Diltiazem CARDIZEM, CARTIA, TIAZAC
Verapamil CALAN, VERELAN
OTHER ANTIARRHYTHMIC DRUGS
Adenosine ADENOCARD
Digoxin LANOXIN
Magnesium sulfate generic only
Ranolazine RANEXA