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DVT423-ABW4
Hepatic Doppler
Question | Answer |
---|---|
Patient should fast ______ hours before Hepatic Doppler | 8-12 |
MPV diameter should be measured during quiet respiration as it crosses the ________. | IVC |
A normal PV shows ___________ flow | continuous |
Portal hypertension can lead to | -ascites -splenomegaly -GI bleed -jaundice -hepatic failure |
Portal hypertension can be due to these 2 Post hepatic reasons | IVC obstruction and hepatic vein obstruction |
These are pathways that the body develops on its own to decrease pressure within the liver | porto-systemic shunts |
Common porto-systemic shunts | -left gasric vein(aka-coronary artery) -gastric varices -recancalized umbilical vein -spleno-renal shunt |
Where is a TIPS placed? | between portal vein and hepatic vein |
What are the 3 hepatic veins? | right, middle, left |
The hepatic veins drain into what? | IVC |
3 intrahepatic things that can cause portal hypertension | cirrhosis, hepatic fibrosus, lymphoma |
2 prehepatic causes of portal hypertension | thrombosis of portal vein or splenic vein, extrinsic compression of the portal vein |