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 31-year-old unresponsive man is admitted to the emergency department after a single-vehicle roll-over accident. On primary assessment by paramedics, he was unresponsive. On admission, he opened his eyes to painful stimuli, was not responsive to verbal commands, his arms were flexed and the legs were straight with no reaction to pain. The patient was intubated and examined. The blood pressure is 150/90 mm Hg; the heart rate, 56/min; the respiratory rate, 14/min; the temperature, 37.5℃ (99.5℉), and the SpO2, 94% on room air. The examination shows a depressed fracture of the left temporal bone and ecchymoses and scratches over his abdomen and extremities. His pupils are round, equal, and show a poor response to light. There is no disconjugate eye deviation. His lungs are clear to auscultation and the heart sounds are normal. Abdominal examination reveals normal bowel sounds and no fluid wave. There are no meningeal signs. Focused assessment with sonography for trauma is negative for blood in the abdominal cavity. Head CT scan is shown in the picture. Which procedure is required to guide further management?
assistant
Placement of an intraventricular catheter