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?
- A)Posterior inferior cerebellar artery territory
- B)Middle cerebral artery territoryGABARITO
- C)Posterior cerebral artery territory
- D)Anterior inferior cerebellar artery territory
- E)Anterior cerebral artery territory
Explicação
Middle cerebral artery territory is correct. The MCA supplies the lateral frontal, parietal, and temporal lobes, producing contralateral face and arm weakness and sensory loss that exceed leg findings. In the dominant hemisphere, infarction also causes aphasia... Ver explicação completa e trilha adaptativa →