Review Question - QID 214186

A 23-year-old man presents to the emergency department acutely intoxicated. He was at a campsite drinking alcohol when he got in an altercation with another camper and was stabbed with a pocket knife. The patient’s past medical history is noncontributory, and he is not taking any medications currently. His temperature is 99.3°F (37.4°C), blood pressure is 112/78 mmHg, pulse is 107/min, respirations are 14/min, and oxygen saturation is 99% on room air. Physical exam is notable for a small 2 cm stab wound just inferior to the patient’s 4th intercostal space just anterior to the midaxillary line on the right. The patient is started on IV fluids, placed on the monitor, and packed red blood cells are ordered. Which of the following is the most appropriate next step in management?