URR IVC

Question 1

what as no true venous valves?

Answer 1

IVC

Question 2

the flap of tissue at the junction of the IVC with the right atrium that is necessary or fetal circulation?

Answer 2

eustachian valve

Question 3

the IVC courses how to the aorta?

Answer 3

right, anterior above the umbilicus and posterior below

Question 4

what happens to the IVC during inspiration and expiration?

Answer 4

inspiration: increases in diameter
expiration: decreases in diameter

Question 5

what is the abnormal dilation of the IVC (measurements)?

Answer 5

> 2.5, > 2.1 at hte hepatic veins

Question 6

the right gonadal vein empties into where?

Answer 6

the IVC

Question 7

the left gonadal vein empties into where?

Answer 7

left renal vein

Question 8

what are the only anterior branches of the IVC?

Answer 8

hepatic veins

Question 9

what are the largest tributaries of the IVC?

Answer 9

hepatic veins

Question 10

what is duplication of the IVC?

Answer 10

variant that commonly occurs below the renal vein

Question 11

what is transposition of the IVC?

Answer 11

variant where IVC is on the left

Question 12

what is interruption of the IVC?

Answer 12

intrahepatic portion doesnt develop, azygos vein drains from the pelvis

Question 13

why would the IVC be dilated?

Answer 13

circulatory issues
-CHF
-Pulmonary HTN
-decrease in heart function
-electrolyte imbalance

Question 14

biphasic flow in the portal vein is associated with what?

Answer 14

CHF

Question 15

tumor invasion of the IVC most commonly occurs with what?

Answer 15

renal cell carcinoma

Question 16

what is the most common type of IVC aneurysm?

Answer 16

saccular

Question 17

types of IVC aneurysm?

Answer 17

1. suprahepatic w/o obstruction
2. associates with interruption
3. infrarenal with out anomaly
4. left sided IVC

Question 18

the caudate lobe is drained by the what?

Answer 18

emissary

Question 19

difference in hepatic veins in comparison to portal veins?

Answer 19

thinner, less echogenic walls, and increase in size

Question 20

normal flow of hepatic vein?

Answer 20

triphasic

Question 21

doppler angle should be what in hepatic vein?

Answer 21

0

Question 22

what is budd chiari sydnrome?

Answer 22

-obstruction of hepatic vein by thrombus, stenosis, membrane, compression, or tumor
-causes: oral contraceptives, hepatocellular carcinoma, renal CA, and adrenal CA
-pain, jaundice, ascites, hepatomegaly, portal HTN, might see splenomegaly

Question 23

number 1 cause of budd chiari syndrome?

Answer 23

thrombus

Question 24

what does budd chiari cause?

Answer 24

hepatomegaly in acute phase, small liver, and splenomegaly if chronic

Question 25

venae comitantes

Answer 25

vein that is paired and runs along an artery

Question 26

the right renal vein runs how to the artery?

Answer 26

medial and anterior

Question 27

where is the left renal vein in relation to the Ao?

Answer 27

between Ao and SMA

Question 28

which renal vein is longer?

Answer 28

left

Question 29

SMA compresses the left renal vein against Ao, can lead to thrombosis and left vascular congestion?

Answer 29

nutcracker syndrome

Question 30

what can cause bilateral renal vein increased pulsatility?

Answer 30

CHF

Question 31

renal vein thrombosis can cause what?

Answer 31

hematuria and acute renal failure -risk for PE -commonly caused by renal disease

Question 32

the gonadal veins drain blood from where?

Answer 32

testicles or ovaries

Question 33

the right gonadal vein drains directly from where?

Answer 33

IVC

Question 34

the left gonadal vein empties into the left renal vein and has increased risk of what?

Answer 34

left sided varicocele

Question 35

varicoceles have been linked to what?

Answer 35

infertility

Question 36

ovarian vein normally crosses anterior to the what?

Answer 36

ureter as it travels cephalad

Question 37

Syndrome where dilated ovarian vein can cause notching, dilation, or obstruction to the ureter -most related to varicosities of ovarian vein or thrombosis

Answer 37

ovarian vein compression syndrome