<prompt> Answer this question truthfullyWhat condition may be suggested by the presence of severe abdominal pain, nausea and vomiting, diarrhea, fever, leukocytosis, and atrial fibrillation?  <response>: <reason> The presence of severe abdominal pain, nausea and vomiting, diarrhea, fever, leukocytosis, and atrial fibrillation may suggest acute mesenteric ischemia. 