PED	Pediatric Emergency Department
ESPGHAN	European Society for Paediatric Gastroenterology, Hepatology and Nutrition
NASPGHAN	North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
LDH	Lactate Dehydrogenase
CT	Computed Tomography
CRP	C-Reactive Protein
CBC	Complete Blood Count
GI	Gastrointestinal Tract
DRE	Digital Rectal Examination
ALT	Alanine Aminotransferase
AST	Aspartate Aminotransferase
IBS-C	Irritable Bowel Syndrome with Constipation