Drug comparisons
Procainamide vs Disopyramide
Procainamide vs Disopyramide for ventricular arrhythmias. Both class Ia antiarrhythmics; Procainamide has black-box warning unlike Disopyramide (Norpace).
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Clinical context
This comparison arises when selecting oral class Ia antiarrhythmics for ventricular tachyarrhythmias while weighing black-box warnings against anticholinergic effects.
Bottom line
Procainamide and Disopyramide are similar class Ia agents that cannot be ranked as one being better overall.
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