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You are caring for a client whose atrial dysrhythmia fails to respond to other antidysrhythmia therapies. You anticipate that the primary care provider might try which drugs whose off-label use includes refractory atrial dysrhythmias?A. Propranolol (Inderal)B. Lidocaine (Xylocaine)C. Flecainide (Tambocor)D. Amiodarone (Cordarone)
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