Problem:
An 82-year-old man is being evaluated in the intensive care unit. He was admitted following an emergency aortic aneurysm repair 5 days ago. Despite his vital signs being stable throughout the day, he has become increasingly confused and appears to be having visual hallucinations. He has pulled out his nasogastric tube and an arterial line and is trying to get out of bed, despite reassurance. Which of the following is the next best step in the management of this patient? A. Intramuscular haloperidol B. Intravenous lorazepam C. Oxygen via a non-rebreather mask D. Physical restraints