A 68 year old woman presents with sudden weakness while walking to the bathroom. She has hypertension and hyperlipidemia. Examination shows 1 out of 5 strength in the left leg, 4 out of 5 strength in the left arm, decreased sensation over the left lower extremity, and urinary incontinence. Speech is fluent and comprehension is intact. Which of the following arteries is most likely occluded?
- A)Posterior cerebral artery
- B)Middle cerebral artery
- C)Lenticulostriate artery
- D)Anterior cerebral arteryGABARITO
- E)Basilar artery
Explicação
Anterior cerebral artery is correct. ACA infarction affects the medial frontal and parietal lobes that contain the leg motor and sensory cortex. This produces contralateral leg-predominant weakness and sensory loss, often accompanied by behavioral change, abul... Ver explicação completa e trilha adaptativa →