Pop Quiz for October 30, 2026

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  What do Dofetilide, Dronedarone, and Amiodarone have in common?
  • Class I Antiarrhythmics
  • Class IV Antiarrhythmics
  • Class III Antiarrhythmics
  • Class II Antiarrhythmics

Dofetilide (Tikosyn) due to its extremely high risk of significant QTc prolongation requires initiation in the hospital setting for EKG monitoring.