Review Question - QID 212655

A 33-year-old man presents to the emergency department with severe abdominal pain. He states that it started yesterday and has been gradually worsening. The patient is an alcoholic and drinks roughly 1 to 2 liters of hard alcohol every day. His temperature is 98.5°F (36.9°C), blood pressure is 122/64 mmHg, pulse is 92/min, respirations are 13/min, and oxygen saturation is 99% on room air. Physical exam is notable for epigastric tenderness, and lab values are notable for a lipase of 334 U/L and a hemoglobin of 10.0 g/dL which is unchanged from his baseline. A nasogastric tube is placed, the patient is started on IV fluids and morphine, and he is transferred to the medicine floor. On the patient’s first day on the medical floor, physical exam is notable for the finding in Figure A, and his blood pressure is 122/85 mmHg and pulse is 88/min. Which of the following is the best next step in management?