The<unk>  criteria for<unk><unk>  is Jalan<unk>  criteria. It is based on clinical findings, physical exam signs and lab findings.
Toxic megacolon diagnostic study of choice
Steatorrhea diagnostic study of choice
Ileus other diagnostic studies
Mesenteric ischemia guidelines for diagnosis
Chronic diarrhea differential diagnosis
Bowel obstruction differential diagnosis
Constipation diagnostic study of choice
Bowel obstruction other diagnostic studies