NO gastroenteritis

AIOP A appendicitis and other „quadrant diagnoses“ (cholecystitis, cholangitis, pancreatitis, IC, diverticulitis, etc) I ischemia (AMI, IC) O obstruction (ileus) P perforation IBD inflammatory bowel disease IC ischemic colitis ICP intracranial pressure NEC necrotizing enterocolitis („typhlitis“) SAH subarachnoid hemorrhage AKA alcoholic ketosis TSS toxic shock syndrome