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
After an initial assessment in the emergency department, the patient is sent for an urgent CT scan of the head. CT scan reveals a mild hypodensity in the left cerebellum. What is the most likely etiology/cause?
assistant
Arterial dissection