Atrial Fibrillation — UKMLA MCQ

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EasyDiagnosis and Management of Atrial FibrillationAtrial FibrillationUKMLA

A 63-year-old with AF and CHA₂DS₂‑VASc = 2 (male) is undergoing elective cardioversion after 4 weeks of anticoagulation. Post‑cardioversion plan?

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Correct answer: A — Continue anticoagulation for at least 4 weeks post‑cardioversion

Explanation lettering: B = shown as A · C = shown as B · D = shown as C · A = shown as D

Guidelines recommend continuing therapeutic anticoagulation for at least 4 weeks after cardioversion because of atrial stunning and thromboembolism risk. Stopping immediately (A) or short heparin (E) is unsafe. DAPT/aspirin (C, D) are not substitutes.

Reference: D) are not substitutes."