Stroke Despite Anticoagulation — RACP Adult Medicine MCQ

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HardNeurologyStroke Despite AnticoagulationRACP Adult Medicine

A 70-year-old man with AF on apixaban develops a stroke despite anticoagulation. What should be investigated?

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Correct answer: A — Investigate alternative stroke aetiology (carotid disease, intracardiac thrombus, PFO)

Stroke despite DOAC should prompt investigation for non-AF aetiologies: carotid stenosis, aortic arch atheroma, LAA thrombus, PFO.

Reference: NHF/CSANZ – 2018; ESC – 2024