Antiarrhythmics

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Antiarrhytmics are split into five classes:

  • Class I affect sodium (Na+) channels
    • Ia - intermediate; Ib - fast; Ic - slow
  • Class II are beta-blockers
  • Class III affect potassium (K+) channels
  • Class IV affect calcium (Ca2+) channels

Class I

Class II

Class III

Class IV

Class V

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