Mnemonic for Class I-IV agents:
1-SoBe PoCa (SOBE as in South Beach or the drink, POCA as in Polka)
2-Of all anti-arrhythmics "Some Block Potassium Channels"
Class I "Some" = S = Sodium
Class II "Block" = B = Beta blockers
Class III "Potassium" = P = Potassium channel blockers
Class IV "Channels" = C = Calcium channel blockers
Sodium channel blockers, Beta blockers, Potassium channel blockers, Calcium channel blockers.
