Case 1 answer
7
Portal venous gas
Transcript of Case 1 answer
![Page 1: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/1.jpg)
Portal venous gas
![Page 2: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/2.jpg)
![Page 3: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/3.jpg)
Portal venous gas
Air in stomach wall
![Page 4: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/4.jpg)
![Page 5: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/5.jpg)
Air in gut wall
![Page 6: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/6.jpg)
![Page 7: Case 1 answer](https://reader036.fdocuments.us/reader036/viewer/2022062300/55beb48abb61eb363c8b45d0/html5/thumbnails/7.jpg)
• 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