Review Question - QID 210601

A 65-year-old man presents to the emergency department for evaluation of weakness. He was doing mechanical work on his car where he acutely developed right-leg weakness and fell to the ground. He is accompanied by his wife, who provides history and states that this has never happened before. He was last seen neurologically normal approximately 2 hours prior to presentation. His past medical history is significant for hypertension and type 2 diabetes. His temperature is 98.8°F (37.1°C), blood pressure is 177/108 mmHg, pulse is 90/min, respirations are 15/min, and oxygen saturation is 99% on room air. On exam, he is unable to repeat a sentence when asked. Strength is 2/5 in the right upper and lower extremity and 5/5 in the left upper and lower extremities. Finger stick blood glucose is 180 mg/dL. Which of the following is the most appropriate next step in management?