1. Acute Abdomen (surgical abdomen)

2.  a sudden, severe intra abdominal pain which is less than 24 hours in duration accompanied by fever and leukocytosis

3. Requiring urgent and specific diagnosis & no painkillers Several cases need surgical treatment Stable CT Unstable FAST-Ultrasound& fluid replacement Full blood count

4. Pain Tenderness Muscular rigidity

5. Somatic pain (accompany somatic efferent) sharp – skin, muscle, joint, bone – pinpoint Visceral pain (accompany sympathetic efferent) squeezing – diffuse – inflammation, ischemia, distension Neuropathic pain

6. Causes: 1. Appendicitis 2. Kidney stone 3. Cholecystitis 4. Pancreatitis 5. Intestinal ischemia 6. Diverticulitis 7. Ectopic pregnancy 8. Ovarian torsion 9. Abdominal aortic aneurysm 10. Peptic ulcer 11. Hemoperitoneum 12. intoxication

7. Peritonitis: Inflammation of peritoneum Occasionally used synonymously with acute abdomen Resulted from discussed disease Rebound tenderness