Aortic Stenosis Severity

Question 1

Aortic Jet velocity (m/s)

Answer 1

Aortic Sclerosis: </ 2.5
Mild: 2.6-2.9
Severe: >4.0

Question 2

Mean Pressure Gradient (mmHg)

Answer 2

Mild: 40

Question 3

AVA (cm>2)

Answer 3

Mild: >1.5
Severe: <1.0

Question 4

Indexed AVA (cm>2/m>2)

Answer 4

Mild: >0.85
Severe: <0.6

Question 5

Velocity Ratio

Answer 5

Mild: >0.50
Severe: <0.25