Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
What is portal hypertension
|
Elevated pressure in the portal venous system
|
|
What is the most common cause of portal hypertension in the US
|
Cirrhosis
|
|
What is the normal diameter of the portal vein
|
13 mm
|
|
What is the normal flow direction of the portal vein
|
Hepatopedal
|
|
What is the average flow velocity of the portal vein
|
15 to 18 cm/sec
|
|
What is the congestive index
|
Portal vein area (cm2) divided by the mean portal flow velocity (cm/sec) > 0.7 indicates portal hypertension
|
|
What is the primary cause of cirrhosis in the US
|
alcoholism
|
|
What is the contour of the liver surface in cirrhotic patients
|
Nodular
|
|
How does one differentiate a dilated portal vein that is the results from portal hypertension rather than umilical vein
|
CHF the portal flow is often pulsatile
|
|
What is important collateral of portal hypertension that indicates portal hypertension 100%
|
Patent umbilical vein
|
|
What is the purpose for performing a portosystemic shunt
|
protect the patient from gastroesophageal bleeding
|
|
What is one clinical indication that the TIPS is not working
|
Increased abdominal girth ascites
|
|
What is the normal peak systolic velocity of flow in a TIPS
|
90 to 120 cm/sec, at least 50 to 60 cm/sec
|
|
What is the portal vein velocity of a TIPS patient
|
at least 30 cm/sec
|
|
Pulsatile flow in a TIPS is abnormal t/f
|
False
it is normal |
|
What tumors can invade and occlude the portal vein
|
HCC and panc CA
|
|
If you cannot image the portal vein, what should you highly consider
|
occlusion
|
|
What is the primary manifestation of chronic portal vein thrombosis
|
Cavernous transformation
|
|
What syndrome results from hepatic vein occlusion
|
Budd-Chiari syndrome
|