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2 Cards in this Set

  • Front
  • Back
Antidysrhythmics classification mechanism of action?
Class I: Na+ channel blockers
Class II: Beta-blockers
Class III: K+ channel blockers
Class IV: Ca++ channel blockers
Class I subdivision antidysrhythmics MOA?
Class IA: Lengthens APD (QT interval)
Class IB: Shortens APD
Class IC: No effect on APD