Thoracic Aorta

Question 1

Normal diameter of Aortic annulus?

Answer 1

2-2.5 cm

Question 2

Normal diameter of sinus of Valsalva

Answer 2

3-3.5 cm

Question 3

Normal diameter of STJ

Answer 3

2-2.5 cm

Question 4

Ascending aorta diameter?

Answer 4

2.5-3.5 (should be 0.2cm or less then sinus dimension)

Question 5

Timing of aortic measurements?

Answer 5

measure aorta during diastole, measure leading edge to leading edge

Question 6

Define stanford type A

Answer 6

Aortic dissection starts in ascending aorta

Question 7

Define stanford type B

Answer 7

dissection that starts in descending thoracic aorta

Question 8

Define Debakey type 1

Answer 8

dissection that starts in ascending and extends through the arch into the descending

Question 9

Define DeBakey type 2

Answer 9

aortic dissection that starts in ascending and is limited to ascending only

Question 10

Define DeBakey type 3

Answer 10

Starts in descending thoracic aorta, 3a stops before renals and 3b extends below the renals

Question 11

Crawford type 1 aneurysm

Answer 11

subclavian to above renals

Question 12

Crawford type 2 aneurysm

Answer 12

subclavian to below renals

Question 13

Crawford type 3 aneurysm

Answer 13

6th intercostal to below renal arteries

Question 14

Crawford type 4 aneurysm

Answer 14

sub-diaphragmatic to iliac bifurcation

Question 15

Crawford type 5 aneurysm

Answer 15

6th intercostal to above renals

Question 16

Sensitivity of TEE for detecting dissection?

Answer 16

88-98%

Question 17

Grade 1 atheroma

Answer 17

normal aorta with no plaque

Question 18

Grade 2 aortic atheroma

Answer 18

plaque <3mm in height w/ minimal intimal thickening

Question 19

Grade 3 aortic atheroma

Answer 19

plaque 3-5mm in height

Question 20

Grade 4 aortic atheroma

Answer 20

plaque >5mm in height

Question 21

Grade 5 atheraoma

Answer 21

any mobile component to plaque