This document discusses the evaluation of pain in acute abdomen. It notes that abdominal pain is a common condition requiring prompt diagnosis and treatment. It introduces some of the most common surgical conditions that can cause acute abdominal pain, such as acute appendicitis, peptic ulcer perforation, acute pancreatitis, acute cholecystitis, acute intestinal obstruction, and others. The document emphasizes the importance of making an early diagnosis through thorough history taking and physical examination, as delay can be more problematic than the underlying pathology. It stresses the need for correct diagnosis to lead to correct treatment.