Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm Generalized/Migratory: • Intussusception • Gastroenteritis • Viral Illness • Diabetic Ketoacidosis • Bowel Obstruction • Henoch-Schonlein Purpura • Malrotation/Volvulus • Urinary Tract Infection • Peritonitis • Somatization • Sickle Cell Crisis • Ileus • Infantile Colic Epigastric: • Gastritis • Peptic Ulcer Disease • Pancreatitis • Gastroesophageal Reflux Disease Right Upper Quadrant: • Hepatitis • Cholelithiasis • Cholecystitis • Pyelonephritis • Right Lower Lobe Pneumonia Left Upper Quadrant: • Viral Illness with Splenic Enlargement/Rupture • Pyelonephritis • Left Lower Lobe Pneumonia Right Lower Quadrant: • Appendicitis • Ovarian Cyst • Ovarian Torsion • Ectopic Pregnancy • Pelvic Inflammatory Disease • Nephrolithiasis • Dysmenorrhea Left Lower Quadrant: • Ovarian Cyst • Ovarian Torsion • Ectopic Pregnancy • Pelvic Inflammatory Disease • Nephrolithiasis #Acute #AbdominalPain #Differential #Diagnosis #Algorithm #Causes #Peds #Pediatrics
