BBlocker: Drugs that prolong AV nodal refractoriness include β-adrenergic receptor blockers, nondihydropyridine calcium channel blockers, and digitalis glycosides. In an analysis of the AFFIRM study, β-blockers were more successful than calcium channel blockers in achieving rate control - 70% versus 54%, respectively. Check this Article http://circ.ahajournals.org/content/124/24/2746.full
Answered 6/19/2015
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