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An overview of the etiologies and diagnostic evaluation of acute abdominal pain, including a discussion of the surgical abdomen. Also included are specific descriptions of the presenting features of gastroenteritis, peptic ulcer disease, small bowel obstruction, appendicitis, pancreatitis, biliary colic, cholecystitis, cholangitis, and acute hepatitis. Companion Video on An Approach to Chronic Abdominal Pain:
