Checking for "silent abdomen" (ileus) or hyperactive bowel sounds. 3. Key Surgical Signs Murphy’s Sign:

For actual medical training materials on surgical semiology that are legally free to download, these university-level resources are excellent substitutes:

Sémiologie chirurgicale by Lucien Léger is a foundational classic in medical literature, first published in 1964. While it is no longer the primary textbook for modern surgical training, it remains highly regarded for its pedagogical clarity and systematic approach to clinical examination. Oxford Academic Book Overview