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DVT423- TH4

USIDMS Hepatoportal Doppler

QuestionAnswer
The liver receives the majority of the blood flow from the...? Portal vein (70%)
Does the portal vein contain valves? No
What does the diameter of the portal vein have to be less than? 13 mm
What is the most common cause of portal hypertension? Cirrhosis, (90%)
What are some common porto-systemic shunts? left gastric vein, gastric varices, umbilical vein (recanalized)
Does TIPS fix the cause of portal HTN? No, only the symptom
Stenosis or obstruction of the hepatic veins are called Budd-Chiari
What are the normal characteristics of the hepatic vein? Spontaneous, pulsatile, hepatofugal, phasic, bidirectional
Does the IVC diameter increase or decrease with inspiration? Decrease
What can cause hepatic outflow obstruction? Hepatomegaly, Splenomegaly, Ascites, Extrinsic compression by a tummor, Thrombus in the hepatic veins or IVC
Created by: thollander
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