This document provides objectives and instructions for examining patients presenting with acute abdominal pain. It defines an acute abdomen and outlines steps for evaluation including obtaining a history, performing a physical exam of the abdomen listening to bowel sounds and palpating for masses or tenderness, and considering need for further labs, imaging or urgent surgery. Differential diagnoses are reviewed for various causes of abdominal pain based on location. Specific techniques are described for assessing organs and potential issues like hernias, masses, fluid or bowel obstructions.