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q2 - ulise - Printable Version +- USMLE Forum - Largest USMLE Community (https://www.usmleforum.com) +-- Forum: USMLE Forum (https://www.usmleforum.com/forumdisplay.php?fid=1) +--- Forum: Step 1 (https://www.usmleforum.com/forumdisplay.php?fid=2) +--- Thread: q2 - ulise (/showthread.php?tid=174769) |
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 |