IVC Flashcards
What is the purpose of the IVC?
To transport deoxygenated blood back to the heart and lungs to oxygenate it again
What does the venous system contain within the lumen of the vessel that helps the blood move forward?
blood clots
stems
valves
gates
valves
If the valves in the venous system are leaking or damaged, what do we call the flow of blood in those vessels when it goes in reverse or backwards?
antegrade
retrograde
rouleaux flow
reverse flow
retrograde
T or F? The venous system usually demonstrates pulsatile flow.
false
What happens to the venous system if the valsalva maneuver is utilized?
distends and dilates
collapses
becomes pulsatile
forms blood clots
distends and dilates
Which vessels join to form the common iliac veins?
external and internal iliac veins
The IVC lies ____ to the right kidney and ____ to the liver.
medial
posterior
What would be a reason(s) to ultrasound the IVC?
look for thrombus
look for tumor invasion
both a and b
none of the above
both a and b
What is rouleaux flow?
fast flow
reversed flow
aggregate of RBC’s
no flow at all
aggregate of RBC’s
The 4 sections of the IVC are
hepatic
pre-renal
renal
post-renal
If a tumor is seen in the renal veins, what other vessel would you interrogate?
IVC
Aorta
Gonadal Veins
SMA
IVC
Where do the hepatic veins originate?
Liver
What vessel(s) drain all of the blood out of the liver?
hepatic veins
The RHV empties the RLL, and the LHV empties the LLL. What does the MHV empty?
caudate lobe
T or F? The hepatic veins decrease in diameter as they approach the IVC.
False
What is the name of the blood flow if it is flowing AWAY from the liver?
hepatofugal
What is the opposite of hepatofugal flow?
hepatopedal
What other vein enters the LRV instead of the IVC and the left gonadal vein?
left suprarenal vein
What does the right gonadal vein drain into?
IVC
Aorta
left gonadal vein
hepatic veins
IVC
The major abdominal venous system consists of
IVC (from the common iliac veins to the diaphragm) Splenic Vein IMV SMV Hepatic Veins Renal Veins Portal Veins
The PHA shares a partnership with the venous circulatory supply of the liver, which is the
MPV
T or F? Venous vessels will demonstrate tube-like structures with well-defined, echogenic walls and an echofree lumen.
True
T or F? The walls of ARTERIES and PV STRUCTURES will be more echogenic than the thinner walled VEINS.
True
T or F? A vein lumen open and close with respiration.
True