Got a patient presenting with abdominal pain? Did the history and physical exam reveal abdominal cramping and tenesmus? If so, tune into today's #DiagnosticsOnDemand to learn about identifying signs of ischemic colitis on a CT scan.

Ischemic colitis, or IC for short, is the most common form of intestinal ischemia. It's typically caused by reduced intestinal blood flow, usually due to small vessel occlusion or hypoperfusion of the colon.

Hypoperfusion usually follows the blood supply pattern and is most common in the watershed areas, so the splenic flexure and rectosigmoid junction. This occurs because the arteries supplying the watershed areas are the most distal branches, so when blood flow to the intestine decreases, they’re the most likely to suffer from insufficient blood supply.

Reduced intestinal perfusion causes injury to the colon mucosa. However, prolonged hypoperfusion can result in transmural ischemia, which can further lead to complications such as fulminant gangrene, perforation, and peritonitis.

Here are the next steps, including treatment: osms.it/dod-ischemic-colitis-yts
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