This document discusses appendicitis, including its definition, causes, symptoms, diagnosis, treatment options, nursing care, and complications. Appendicitis is inflammation of the appendix that most commonly affects the pediatric population. The cardinal signs of appendicitis are abdominal pain that starts around the navel and later localizes to the lower right abdomen, nausea, vomiting, anorexia, and tenderness in the lower right abdominal quadrant. Treatment involves medical management with antibiotics or surgical removal of the appendix via open or laparoscopic appendectomy.