Cerebrovascular Disease USMLE Step 1 Practice Question
A 72 year old man is brought to the emergency department 45 minutes after sudden onset of slurred speech and inability to move his right arm. He has a history of atrial fibrillation and stopped taking anticoagulation 2 weeks ago because of epistaxis. Physical examination shows right lower facial droop, 1 out of 5 strength in the right upper extremity, 3 out of 5 strength in the right lower extremity, and expressive aphasia. Sensation is decreased over the right face and arm more than the leg. Which vascular territory is most likely infarcted?
Answer choices
- APosterior inferior cerebellar artery territory
- BMiddle cerebral artery territoryCorrect answer
- CPosterior cerebral artery territory
- DAnterior inferior cerebellar artery territory
- EAnterior cerebral artery territory
- FSuperior cerebellar artery territory
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