Nonvalvular Atrial Fibrillation Is in Medicine / Internal Medicine — 72yo Man | Cardiology | SMLE Q#18822
SMLE Question #18822
Medicine / Internal Medicine
Cardiology
Objective: OBJ-IM-CARD-ANTICOAG-001
Last updated: March 2026
A 72-year-old man with nonvalvular atrial fibrillation is on chronic warfarin for stroke prevention. One week ago, he began an over-the-counter herbal supplement. He reports no epistaxis, gum bleeding, melaena, or haematuria, and his warfarin dose has been unchanged. He is clinically stable. What is the most appropriate next step in management?
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