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class I antiarrythmics block fast Na channel
how do class 1 antiarrythmics work increase the amount of polarization required to get the proper number of Na channels closed for activation
main action of Class I increase ERP
Class IA do? slow AP
effects of Class IA may block AP through ischemic area or cause new arrythmia
Class II drugs are? Beta blockers
main action of Class IIs decrease conduction through AV Node
class IIIs are? K channel blockers
class IV are? Ca channel blockers
Created by: jmuame03