Peritonitis refers to the inflammation of the peritoneum. The condition can be identified clinically on the basis of detailed history and following clinical features: - severe abdominal pain - nausea - vomiting - inability to pass stool or flatus - oligouria - hypotension - shock - abdominal distension and presence of fluid Reference: https://www.hopkinsmedicine.org/health/conditions-and-diseases/peritonitis Image via: https://www.ncbi.nlm.nih.gov/books/NBK526129/figure/article-27028.image.f2/