| Right Upper Quadrant | Epigastric | Left Upper Quadrant |
Cholecystitis Cholangitis Pancreatitis Pneumonia/empyema Pleurisy/pleurodynia Subdiaphragmatic abscess Hepatitis Budd-Chiari syndrome |
Peptic ulcer disease Gastritis GERD Pancreatitis Myocardial infarction Pericarditis Ruptured aortic aneurysm Esophagitis |
Splenic infarct Splenic rupture Splenic abscess Gastritis Gastric ulcer Pancreatitis Subdiaphragmatic abscess |
| Right Lower Quadrant | Periumbilical | Left Lower Quadrant |
Appendicitis Salpingitis Inguinal hernia Ectopic pregnancy Nephrolithiasis Pyelonephritis Inflammatory bowel disease Mesenteric lymphadenitis Typhlitis |
Early appendicitis Gastroenteritis Bowel obstruction Ruptured aortic aneurysm Hypovolemia |
Diverticulitis Salpingitis Inguinal hernia Ectopic pregnancy Nephrolithiasis Irritable bowel syndrome Inflammatory bowel disease |
| Diffuse Nonlocalized Pain | ||
Adrenal Insufficiency Gastroenteritis Mesenteric ischemia Bowel obstruction Irritable bowel syndrome Peritonitis Diabetes Malaria Familial Mediterranean fever Metabolic diseases Psychiatric disease |
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