Portal venous gas
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Portal venous gas
Portal venous gas
Air in stomach wall
Air in gut wall
• CXR shows air in liver– Also ETT a bit low– Gastric distension w NGT in correct position
• Portal venous gas = v.bad prognostic sign– Need to differentiate from pneumobilia
• Portal venous gas has peripheral gas distribution• Pneumobilia has central gas distribution, usually from
intrumentation of biliary tree
• Pneumatosis intestinalis = air in gut wall– Highly suggestive of necrotising entercolitis or gut
infarction
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