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Vascular Boards > URR IVC > Flashcards

URR IVC Flashcards

1
Q

what as no true venous valves?

A

IVC

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2
Q

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

A

eustachian valve

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3
Q

the IVC courses how to the aorta?

A

right, anterior above the umbilicus and posterior below

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4
Q

what happens to the IVC during inspiration and expiration?

A

inspiration: increases in diameter
expiration: decreases in diameter

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5
Q

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

A

> 2.5, > 2.1 at hte hepatic veins

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6
Q

the right gonadal vein empties into where?

A

the IVC

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7
Q

the left gonadal vein empties into where?

A

left renal vein

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8
Q

what are the only anterior branches of the IVC?

A

hepatic veins

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9
Q

what are the largest tributaries of the IVC?

A

hepatic veins

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10
Q

what is duplication of the IVC?

A

variant that commonly occurs below the renal vein

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11
Q

what is transposition of the IVC?

A

variant where IVC is on the left

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12
Q

what is interruption of the IVC?

A

intrahepatic portion doesnt develop, azygos vein drains from the pelvis

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13
Q

why would the IVC be dilated?

A

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

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14
Q

biphasic flow in the portal vein is associated with what?

A

CHF

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15
Q

tumor invasion of the IVC most commonly occurs with what?

A

renal cell carcinoma

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16
Q

what is the most common type of IVC aneurysm?

A

saccular

17
Q

types of IVC aneurysm?

A
  1. suprahepatic w/o obstruction
  2. associates with interruption
  3. infrarenal with out anomaly
  4. left sided IVC
18
Q

the caudate lobe is drained by the what?

A

emissary

19
Q

difference in hepatic veins in comparison to portal veins?

A

thinner, less echogenic walls, and increase in size

20
Q

normal flow of hepatic vein?

A

triphasic

21
Q

doppler angle should be what in hepatic vein?

A

0

22
Q

what is budd chiari sydnrome?

A

-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

23
Q

number 1 cause of budd chiari syndrome?

A

thrombus

24
Q

what does budd chiari cause?

A

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

25
Q

venae comitantes

A

vein that is paired and runs along an artery

26
Q

the right renal vein runs how to the artery?

A

medial and anterior

27
Q

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

A

between Ao and SMA

28
Q

which renal vein is longer?

A

left

29
Q

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

A

nutcracker syndrome

30
Q

what can cause bilateral renal vein increased pulsatility?

A

CHF

31
Q

renal vein thrombosis can cause what?

A

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

32
Q

the gonadal veins drain blood from where?

A

testicles or ovaries

33
Q

the right gonadal vein drains directly from where?

A

IVC

34
Q

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

A

left sided varicocele

35
Q

varicoceles have been linked to what?

A

infertility

36
Q

ovarian vein normally crosses anterior to the what?

A

ureter as it travels cephalad

37
Q

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

A

ovarian vein compression syndrome

Vascular Boards (33 decks)

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