The nurse is caring for a client who has been resistant to past antidysrhythmic therapy. Which cardiac dysrhythmic medication is administered for ventricular dysrhythmias when other mediations have failed?
A) Bretylium tosylate (Bretylol)
B) Lidocaine hydrochloride (Xylocaine)
C) Procainamide hydrochloride (Pronestyl)
D) Flecainide (Tambocor)
A
Feedback:
Bretylium tosylate (Bretylol), a class III antidysrhythmics, inhibits the release of norepinephrine and is used for dysrhythmias resistant to other agents. The other medications are class I antidysrhythmics: sodium channel blockers.
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