The pathophysiology is similar to that seen in<unk>  pectoris and intermittent claudication. The most common cause of<unk>  is atherosclerotic vascular disease, where the occlusive process commonly involves the ostia and the proximal few centimeters of the mesenteric vessels. It can be associated with: * carcinoid * aortic coarctation * antiphospholipid syndrome
Abdominal angina
Gallbladder flush
Rectal bleeding
Rectal pain
Abdominal pain
Gastric varices
Retroperitoneal bleeding
Angina 