1. - Peritonitis(peri.)=rebound tenderness(mild peri.)= abdominal tenderness(mild peri.)= guarding(moderate peri.)= washboard hard abdomen( severe peri.)=ALL These S.&S.are varying degrees of peritoneal inflammation, these S.&S. are not sensitive & not specific for any disease, furthermore, one disease might present with varying degrees of peritonitis depending on the patient's Hx. and the severity of the inflamation. -Any Abdominal pathology can lead to different degrees of intestinal wall motion paralysis, HYPER-peristalsis, then Visible-Peristalsis, HYPO-peristalsis, & Finally, quiet abdomen & complete bowell obstruction. -Most common causes MCC of adult Small bowell Obstruction(SBO) is Adhesions, then Hernia, then CA; MCC of pediatric SBO Hernias.
2. Distention; diffuse pain without rebound tenderness
   1. Dx. Intestinal OBSTRUCTION
3. Peritonitis & loss of liver dullness
   1. Dx. Viscus PERFORATION
4. SEVER pain & LITTLE tenderness
   1. Ischemic or strangulated bowel
5. Pulsatile mass ,or Tender mass, or shock
   1. GI Bleeding
   2. Abdominal Aortic Aneurysm
   3. Ectopic Pregnancy
   4. abscess