AssessmentsSpinal cord disorders: Pathology review
USMLE® Step 1 style questions USMLE
A 46-year-old male is brought to the emergency department after being involved in a high-speed motor vehicle injury. The patient was the restrained passenger in a stationary vehicle as he was rear-ended by another vehicle traveling approximately 80 miles per hour. The patient’s neck was hyperflexed during the collision and now feels stiff. He is unable to move his arms or legs. Temperature is 37.0°C (98.6°F), pulse is 110/min, respirations are 9/min, blood pressure is 90/65 mmHg, and O2 saturation is 97% on room air. Neurological exam is notable for bilateral loss of pain and temperature sensation as well as bilateral loss of motor function below C6. Sensation to soft touch and vibration is unaffected. Which of the following is the most likely diagnosis?