A 52-year-old man presents with severe epigastric pain radiating to the back and vomiting. He drinks 40 units of alcohol per week. Serum amylase is three times the upper limit of normal. What is the most appropriate immediate management?AReassure and discharge; pain is likely dyspepsiaBAdmit for IV fluids, analgesia and monitoringCStart high-dose oral steroidsDArrange elective ERCP immediately in all casesEStart prophylactic broad-spectrum antibiotics routinelyCheck my answer