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A patient of atrial fibrillation is on digoxin therapy. Which of the following responses do you expect?

A

Restoration of normal sinus rhythm

B

Conversion of atrial fibrillation to atrial flutter

C

Increase in atrial fibrillation frequency, but decrease in ventricular rate

D

Decrease in atrial fibrillation frequency but increase in ventricular rate

High-Yield Explanation

Digitalis controls the ventricular rate in AF patients. The frequency of atrial fibrillation may actually increase. Ibutilide is approved for the conversion of AF to sinus rhythm.

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