Aorta Flashcards Preview

*Ultrasound* > Aorta > Flashcards

Flashcards in Aorta Deck (58):
0

What is the most common descriptive word for the splenic artery?

Tortuous

1

What is the first branch of the aorta seen with US?

Celiac axis

2

Which vessel is usually hard to see when looking at the transverse prox AO?

Left Gastric Artery

3

What vessel originates from the celiac axis and is very tortuous?

Splenic artery

4

What is the name of the vessel that comes off the celiac axis and is not usually seen with US?

Left gastric artery

5

The name of the vessel on the anterior border of the pancreas is the

Splenic artery

6

What are the two branches of the common hepatic artery?

Proper Hepatic Artery and Gastroduodenal Artery

7

T or F? Another name for the adrenal arteries is gonadal arteries.

False

8

What vessel courses between the SMA and the AO?

Left renal vein

9

The renal arteries are best seen on what scan plane?

Transverse

10

What is the relationship of the SMA to the celiac axis?

Inferior

11

The two main anatomy structures that the SMA and IMA feed are the

Colon and intestines

12

What is the name of the most inferior artery that branches off the aorta?

Median sacral

13

What are the three vessels that branch off the celiac axis?

Splenic artery, common hepatic artery, left gastric artery.

14

When does the thoracic aorta become the abdominal aorta?

As it passes posteriorly to the diaphragm

15

What does the left gastric artery supply?

The left side of the lesser curvature of the stomach

16

The left gastric artery courses ______ and to the ______, and doubles back to supply the left side of the lesser curvature of the stomach.

Superiorly, left

17

The splenic artery supplies the (3)

Spleen, pancreas, left side of the greater curvature of the stomach

18

The splenic artery courses _____ to the _____ with a slight _____ to _____ angulation.

Horizontally, left, inferior-to-superior

19

The CHA courses _____ to the _____ and branches into the _____ and the _____.

Horizontally, right, gastroduodenal artery, proper hepatic artery

20

The GDA courses _____ and supplies the _____ and the _____.

Inferiorly, right side of the greater curvature of the stomach, pancreatic duodenal area

21

The proper hepatic artery courses _____ and branches into the _____, _____, and _____ _____ _____ which supply the _____.

Superiorly, right, middle, left hepatic arteries, liver

22

The right hepatic artery branches into the _____, which feeds the _____.

Cystic artery, gallbladder

23

Suprarenal arteries are also called

Adrenal arteries

24

Suprarenal arteries branch from the _____ aspect of the _____, from the level of the _____ and _____, and course _____ to the adrenal glands.

Lateral, aorta, celiac axis, SMA, horizontally

25

The SMA is _____ to the celiac axis and courses _____ and _____ and divides into several arteries that supply the largest portion of the _____ and the _____, and part of the _____.

Inferior, anterior, inferior, small intestine, ascending colon, transverse colon

26

Which renal artery has the longer course and why?

Right renal artery, bc the AO sits on the left side.

27

The renal arteries branch ____ and supply the ____

Horizontally, kidneys

28

The right renal artery courses _____ to the IVC to reach the right kidney.

Posteriorly

29

What is the only vessel that courses posteriorly to the IVC?

RRA

30

Gonadal arteries originate from the _____ aspect of the AO.

Anterior

31

Gonadal arteries are ____ to the SMA and renal arteries.

Inferior

32

The gonadal arteries course _____ to their respective organs.

Inferiority

33

Male gonadal arteries are also called _____. Female gonadal arteries are also called _____.

Testicular arteries, ovarian arteries

34

IMA originates from the _____ aspect of the AO, and courses _____ and _____ to the _____, _____, and _____ which it supplies.

Anterior, anteriorly, inferiorly, transverse colon, descending colon, rectum

35

The median sacral artery supplies the _____ and the most _____ branch of the AO.

Sacrum, inferior

36

AO should not exceed _____ in size at any point.

3cm

37

The AO courses _____, and _____ in size and lies more _____ to the abdomen.

Inferiorly, decreases, shallow

38

The best way to decrease observer variation when measuring the AO is to take the AP measurement in the _____ plane.

Sagittal

39

The 3 layers of the aorta are

Tunica intima, tunica media, tunica adventitia

40

Arteries have a thicker _____ to allow for greater elasticity.

Tunica media

41

What is the primary function of the AO?

Channel blood to organs and tissues to ensure oxygenation and metabolism.

42

Explain the blood flow from the heart to the AO.

Page 7 of PowerPoint sheets

43

Arterial vasculature should display a(n) _____ center with _____ walls that clearly delineate from adjacent structures.

Anechoic, echogenic

44

T or F? Larger vessels will display significant pulsatility.

True

45

The AO is a tubular, highly pulsatile structure that is ____ and slightly to the ____ of the spine.

Anterior, left

46

The AO courses more anteriorly at the _____ regions, until it bifurcates and courses _____.

Mid and distal, linear

47

What makes up the "seagull" image?

The AO with the splenic artery and common hepatic artery as wings

48

The CA is mostly easily seen in the ____ plane, slightly ____ to the pancreas.

Transverse, superior

49

The SMA is identified as a linear structure branching anteriorly from the AO inferior to the CA in the ____ plane.

Sagittal

50

Renal arteries are most easily seen in the ____ plane as small diameter curvilinear structures branching ____ from the AO.

Transverse, laterally

51

The LRA is difficult to identify in the ____ plane.

Sagittal

52

T or F? The IMA is consistently demonstrated with ultrasound.

False

53

Renal arteries are most easily seen in the ____ plane. However, the RRA might be identified in the ____ plane as it is directly ____ to the IVC.

Transverse, sagittal, posterior

54

The AO bifurcation is most easily identified in the ____ plane.

Transverse

55

Why are the AO and its branches primarily evaluated?

To detect aneurysms and stenosis

56

T or F? Doppler can aid in identifying stenosis because it indicates flow patterns within the vasculature.

True

57

What is the echogenic material seen surrounding the SMA in a transverse scan plane that helps to identify it?

Parapancreatic fat