A 45-year-old man presents with sudden severe epigastric pain radiating to the back after a weekend of heavy alcohol intake. Serum amylase is three times the upper limit of normal. What is the most appropriate initial management?AGive clear fluids orally and discharge homeBStart strong opioid analgesia, intravenous fluids and admit for monitoringCPrescribe a proton pump inhibitor and review in clinicDArrange urgent ERCP regardless of aetiologyEStart broad-spectrum antibiotics for all patients with pancreatitisCheck my answer