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q2 - ulise - ArchivalUser - 03-29-2007

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




0 - ArchivalUser - 03-29-2007

ddd


0 - ArchivalUser - 03-29-2007

maybe c


0 - ArchivalUser - 03-29-2007

not sure, for maintenance of sinus rhythm, d or b

maybe, k blockers, amiodarone


0 - ArchivalUser - 03-29-2007

other opinions?


0 - ArchivalUser - 03-29-2007

both b and d seem rite but amiodarone has more adverse eff...so dd


0 - ArchivalUser - 03-29-2007

change to C. Atenolol


0 - ArchivalUser - 03-29-2007

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.



0 - ArchivalUser - 03-30-2007

thx