NCIt definition : Decreased blood supply to the small or large intestine due to narrowing or blockage
of a visceral (mesenteric) artery. The ischemia results to the damage of the intestinal
tissues. It may be chronic, caused by atherosclerosis or acute, secondary to the formation
of a thrombus or embolus in the mesenteric arterial lumen. In chronic ischemia, patients
present with abdominal pain manifested in a short time after a meal and weight loss.
In acute ischemia, patients present with sudden and acute abdominal pain, nausea and
vomiting, and blood in the stool.;
Alternative definition : CTCAE: A disorder characterized by a decrease in blood supply due to narrowing or
blockage of a visceral (mesenteric) artery.;