Shock bowel is the appearance of the bowel in a state of hypotension. It is usually seen as part of the CT hypoperfusion complex.
- thickened bowel loops (>3 mm) with enhancing walls (the reason the condition was previously known as "shock bowel")
- on non-contrasted images, hyperdense walls compared to the psoas muscle 2, 6
- wall thickening is due to submucosal oedema
- hyperenhancing mucosa