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q2 - ulise
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03-29-2007, 11:26 AM
A 35 year old patient with mild mitral stenosis has atrial fibrillation. She presents unwell with fast AF and was DC cardioverted successfully. Which of the following medications is most effective for maintenance of sinus rhythm?
A. Digoxin B. Amiodarone C. Atenolol D. Diltiazem E. Labetalol
03-29-2007, 12:32 PM
not sure, for maintenance of sinus rhythm, d or b
maybe, k blockers, amiodarone
03-29-2007, 12:58 PM
both b and d seem rite but amiodarone has more adverse eff...so dd
03-29-2007, 03:29 PM
Answer: b) amiodarone. Amiodarone is most effective for maintenance of sinus rhythm. However, because of its side effect profile, in a young patient, it is usually worth trying a beta blocker or calcium blocker before treating with amiodarone.
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