Review Question - QID 210782

A 45-year-old man is brought into the emergency department after he was hit by a car. The patient was intoxicated and walked into oncoming traffic. He is currently unconscious and has a Glasgow coma scale score of 3. The patient has been admitted multiple times for alcohol intoxication and pancreatitis. The patient is resuscitated with fluid and blood products. An initial trauma survey reveals minor scrapes and abrasions as well as pelvic instability. His temperature is 98.7°F (37°C), blood pressure is 86/51 mmHg, pulse is 120/min, respirations are 18/min, and oxygen saturation is 91% on room air. The patient’s pelvis is placed in a binder. After further resuscitation, the patient becomes responsive and states he is in pain. He is given medications and further resuscitation ensues. The patient complains of numbness surrounding his mouth and in his extremities 1 hour after starting treatment. Which of the following is the most likely explanation for this patient’s current symptoms?