Aortic Stenosis
(Last Updated - 12/16/2023)
Click to listen to Aortic Stenosis
Indicator |
Mild |
Moderate |
Severe |
Jet Velocity (m/s) |
< 3 |
3 - 4 |
> 4 |
Mean Gradient (mmHg) |
< 25 |
25 - 40 |
> 40 |
Aortic Valve Area (cm2) |
> 1.5 |
1.0 - 1.5 |
< 1.0 |
Aortic Valve Area Index (cm2/m2) |
|
|
< 0.6 |
Indicator |
Normal |
Low |
Ejection Fraction (EF) (%) |
>= 50% |
< 50% |
Stroke Volume Index (SVI) (mL/m2) |
> 35 |
<= 35 |
Cardiac Output (CO) (L/min) |
4 - 8 |
|
Cardiac Index (CI) (L/min/m2) |
2.5 - 4.0 |
|
Stages of Aortic Stenosis:
Aortic Stenosis Algorithm:
Choices For Valve Replacement: