Acute Mesenteric Ischemia By Parswa Ansari, MD, Hofstra Northwell-Lenox Hill Hospital, New York Reviewed / Revised Apr 2023 View Patient Education Pathophysiology Etiology Symptoms and Signs Diagnosis Treatment Prognosis Key Points Topic Resources Mesenteric Ischemia-Intestinal... Mesenteric Ischemia Causes of Acute Mesenteric... Acute mesenteric ischemia is interruption of intestinal blood flow by embolism, thrombosis, or a low-flow state.