This document classifies various medical conditions by severity and associated mortality rate. Mild conditions like appendicitis and certain ulcers have under 10% mortality. Moderate conditions such as some diverticulitis, bowel perforations and gallbladder infections have under 20% mortality. Severe conditions including some large bowel perforations, small bowel injuries, pancreatitis, postoperative complications and refractory shock have between 20-80% mortality. Physical exam findings associated with more severe conditions include tenderness, rebound tenderness and guarding.