Which of the following cardiac arrhythmias would not be amenable to treatment with digoxin (Lanoxin)?
a. Atrial fibrillation
b. Premature ventricular contractions
c. Atrial flutter
d. Paroxysmal atrial tachycardia
ANS: B
In addition to treating heart failure, cardiac glycosides such as digoxin are occasionally used to control the ventricular rate of atrial fibrillation, atrial flutter, and paroxysmal atrial tachycardia (PAT).
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