system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 59-year-old man presents with the persistent right-sided facial droop and slurred speech for the past 2 hours. He says he had similar symptoms 6 months ago which resolved within 1 hour. His past medical history is significant for long-standing hypertension, managed with hydrochlorothiazide. He reports a 10-pack-year smoking history but denies any alcohol or recreational drug use. The vital signs include: blood pressure 145/95 mm Hg, pulse 95/min, and respiratory rate 18/min. On physical examination, the patient has an asymmetric smile and right-sided weakness of his lower facial muscles. There is a deviation of his tongue towards the right. Dysarthria is noted. His muscle strength in the upper extremities is 4/5 on the right and 5/5 on the left. The remainder of the physical exam is unremarkable. Which of the following is the next most appropriate step in the management of this patient?
assistant
CT of the head without contrast