Classic acute pancreatitis is manifested by sudden onset of severe epigastric pain (90%-100% of patients) that may radiate elsewhere, often to the back. There may be vomiting (30%-96%), fever (60%-95%), abdominal distention (70%-80%), and paralytic ileus (50%-80%). Jaundice occasionally is present (8%-30%). Hypotension or shock develops in 30%-40% of cases. In severe and classic disease, […]