A 52-year-old man presents with severe epigastric pain radiating to the back after heavy alcohol intake. Serum amylase is three times the upper limit of normal. Which of the following is the most appropriate initial management?AImmediate ERCP for all casesBNil by mouth, aggressive intravenous crystalloid fluids, adequate analgesia and monitoringCStart prophylactic broad-spectrum antibiotics in all casesDOral opioids and discharge once pain settlesEHigh-dose steroids to reduce inflammationCheck my answer