Aortic Valve

Question 1

What is the normal aortic valve area?

Answer 1

3 - 4 cm2

Question 2

What is the cut-off for peak jet velocity in mild aortic stenosis?

Answer 2

< 3.0 m/s

Question 3

What is the range for peak jet velocities in moderate aortic stenosis?

Answer 3

3.0 - 4.0 m/s

Question 4

What is the cut-off for peak jet velocity in severe aortic stenosis?

Answer 4

> 4.0 m/s

Question 5

What is the cut-off for mean gradient in mild aortic stenosis?

Answer 5

< 20 mm Hg

Question 6

What is the range for the mean gradient in moderate aortic stenosis?

Answer 6

20 - 40 mm Hg

Question 7

What is the cut-off for mean gradient in severe aortic stenosis?

Answer 7

> 40 mm Hg

Question 8

What is the cut-off for valve area in mild aortic stenosis?

Answer 8

> 1.5 cm2

Question 9

What is the range for valve area in moderate aortic stenosis?

Answer 9

1.0 - 1.5 cm2

Question 10

What is the cut-off for valve area in severe aortic stenosis?

Answer 10

< 1.0 cm2

Question 11

What is the cut-off for the dimensionless index in mild aortic stenosis?

Answer 11

> 0.5

Question 12

What is the range for the dimensionless index in moderate aortic stenosis?

Answer 12

0.25 - 0.5

Question 13

What is the cut-off for the dimensionless index in severe aortic stenosis?

Answer 13

< 0.25

Question 14

What is the cut-off for the indexed valve area for mild aortic stenosis?

Answer 14

> 0.85 (cm2/m2)

Question 15

What is the cut-off for the indexed valve area for moderate aortic stenosis?

Answer 15

0.60 - 0.85 (cm2/m2)

Question 16

What is the cut-off for the indexed valve area for severe aortic stenosis?

Answer 16

< 0.60 (cm2/m2)

Question 17

What is the cut-off for vena contracta for mild aortic insufficiency?

Answer 17

< 0.3 cm

Question 18

What is the range for vena contracta for moderate aortic insufficiency?

Answer 18

0.30 - 0.60 cm

Question 19

What is the cut-off for vena contracta for severe aortic insufficiency?

Answer 19

> 0.60 cm

Question 20

What is the cut-off for effective regurgitant orifice area (EROA) for mild aortic insufficiency?

Answer 20

< 0.10 cm2

Question 21

What is the range for effective regurgitant orifice area (EROA) for moderate aortic insufficiency?

Answer 21

0.10 - 0.30 cm2

Question 22

What is the cut-off for effective regurgitant orifice area (EROA) for severe aortic insufficiency?

Answer 22

> 0.30 cm2

Question 23

What is the cut-off for regurgitant fraction for mild aortic insufficiency?

Answer 23

< 30 %

Question 24

What is the range for regurgitant fraction for moderate aortic insufficiency?

Answer 24

30% - 50%

Question 25

What is the cut-off for regurgitant fraction for severe aortic insufficiency?

Answer 25

> 50%

Question 26

What is the cut-off for regurgitant volume for mild aortic insufficiency?

Answer 26

30 mL

Question 27

What is the range for regurgitant volume for moderate aortic insufficiency?

Answer 27

30 - 60 mL

Question 28

What is the cut-off for regurgitant volume for severe aortic insufficiency?

Answer 28

> 60 mL

Question 29

What is the cut-off for jet width / LVOT width for mild aortic insufficiency?

Answer 29

< 25 %

Question 30

What is the range for jet width / LVOT width for moderate aortic insufficiency?

Answer 30

25 - 65%

Question 31

What is the cut-off for jet width / LVOT width for severe aortic insufficiency?

Answer 31

> 65%

Question 32

What is the cut-off for deceleration time for mild aortic insufficiency?

Answer 32

> 500 ms

Question 33

What is the range for deceleration time for moderate aortic insufficiency?

Answer 33

200 - 500 ms

Question 34

What is the cut-off for deceleration time for severe aortic insufficiency?

Answer 34

< 200 ms