CT hypoperfusion complex
Cardiac arrest. 30 minutes CPR.
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Extensive pneumatosis affecting small and large bowel wall with a large volume of portal venous gas. Poor bowel wall enhancement throughout. Intraperitoneal free gas and small volume of free fluid.
Hyperattenuating adrenal glands. Striated nephrograms. Differential attenuation within the liver. Slit-like IVC. SMA is patent with no significant ostial atherosclerosis.
CT hypoperfusion complex refers to the feature on CT of profound hypotension including as seen in this case:
There are other features also described, please see the article. Ischaemic gut is not part of the description but can also occur concurrently as a cause or, as in this case, as a result of severe hypotension.