Review Question - QID 103022

A 30-year-old man is evaluated in the post-anesthesia care unit for neck pain. He underwent a laparoscopic appendectomy and was treated for post-operative nausea and vomiting with metoclopramide. Approximately 20 minutes after receiving the medication, he developed pain and stiffness in his neck and eventually was unable to move his neck. His temperature is 98.6°F (37.0°C), pulse is 90/min, blood pressure is 130/80 mmHg, respirations are 16/min, and oxygen saturation is 98% on room air. Examination reveals an uncomfortable appearing man. His neck is rotated to the right and is unable to return to midline. Examination of the patient is shown in Figure A. Which of the following is the most appropriate next step in management?