Mandatory monitoring parameters that must be documented for dofetilide?
Magnesium
Potassium
ECG
Renal function
Which antiarrhymic is most notable for causing drug-induced lupus erythematosus?
Procainamide
Dronedarone boxed warning
Class IV heart failure
Permanent Afib
What phase of the cardiac action potential does amiodarone mainly work?
Phase 3