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 46-year-old man is brought to the emergency department because of worsening confusion and weakness in his right arm and leg for 2 days. He has also had fever and headache that began 5 days ago. He has hypertension and type 2 diabetes mellitus. Current medications include metformin and lisinopril. His temperature is 39.3°C (102.7°F), pulse is 103/min, and blood pressure is 128/78 mm Hg. He is confused and agitated. He is not oriented to person, place, or time. Neurologic examination shows nuchal rigidity. Muscle strength is 3/5 on the right upper and lower extremity strength but normal on the left side. His speech is incoherent. An ECG shows no abnormalities. An MRI of the brain is shown. Shortly after the MRI scan, the patient has a seizure and is admitted to the intensive care unit following administration of intravenous lorazepam. Which of the following is the most appropriate pharmacotherapy?
assistant
Acyclovir