Drug comparisons
Dofetilide vs Mexiletine
Compare Dofetilide (Tikosyn for atrial fibrillation) vs Mexiletine (for ventricular arrhythmias). Both Rx; Dofetilide has black box warning.
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Clinical context
This comparison arises when choosing between class III and class Ib antiarrhythmics for managing atrial or ventricular tachyarrhythmias.
Bottom line
Neither drug is inherently better; selection is based on the arrhythmia type, with Dofetilide for AF and Mexiletine for ventricular arrhythmias, considering their unique risk profiles.
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