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DVT423-JH4
USIDMS Hepatic Doppler
Question | Answer |
---|---|
What is the main function of the portal system? | Drains nutrient-rich blood from the bowel and spleen into the liver |
What 3 vessels join to form the Portal vein? | SMV, IMV, and splenic vein |
At the ____________ , the portal vein divides into the left portal vein and right portal vein. | porta hepatis |
Does the portal vein have hepatopetal or hepatofugal flow? | Hepatopetal |
Does the splenic vein have hepatopetal or hepatofugal flow? | Hepatopetal |
Elevated pressure in the portal venous system due to increased resistance of flow through liver | Portal hypertension |
Do the hepatic veins have hepatopetal or hepatofugal flow? | Hepatofugal |
Stenosis or obstruction of the hepatic veins that may be caused by hepatomegaly, splenomegaly, ascites, extrinsic compression by a tumor, thrombus in the hepatic veins or IVC. | Budd-Chiari Syndrome |
Pathways that the body develops on its own to decrease pressure within the liver | Common Porto-Systemic Shunts |
The hepatic artery supplies about ___% of oxygenated blood into the liver and the portal vein supplies about __% of nutrient rich blood to the liver. | 30% ; 70% |