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MMLU / A 77-year-old man is brought to the physician because of a 12-hour history of…

Problem

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question

A 77-year-old man is brought to the physician because of a 12-hour history of word-finding difficulty and weakness and sensory loss of the right arm and leg. He has no history of similar symptoms. He has type 2 diabetes mellitus, hypertension, and atrial fibrillation. Current medications include metformin, lisinopril, and aspirin. He is alert. His pulse is 80/min and irregular, respirations are 16/min, and blood pressure is 170/90 mm Hg. He follows commands but has nonfluent aphasia. There is moderate weakness and decreased sensation of the right upper and lower extremities. Deep tendon reflexes are 2+ bilaterally. Babinski sign is present on the right. His serum glucose concentration is 162 mg/dL. Which of the following is the most appropriate next step in diagnosis?

choices

  1. Carotid duplex ultrasonography
  2. CT scan of the head
  3. EEG
  4. Lumbar puncture

subject

professional_medicine

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Source and history

task_id
564e03a5-f131-5779-9860-4a1d620614ca
task_key
all--test--564e03a5-f131-5779-9860-4a1d620614ca
task_revision_id
1
config / split
all / test

Official source

initial import