38 Aortic Stenosis
| Mild | Moderate | Severe | |
|---|---|---|---|
| Peak jet velocity (m/s) | < 3.0 | 3.0-4.0 | >4.0 |
| Mean gradient (mm Hg) | < 25 | 25-40 | >40 |
| Aortic valve area (cm2) | >1.5 | 1.0-1.5 | <1.0 |
| Valve area index (cm2 /m2) | <0.6 | ||
| Outflow track velocity-to-aortic valve velocity | <0.25 |
| Mild | Moderate | Severe | |
|---|---|---|---|
| Peak jet velocity (m/s) | < 3.0 | 3.0-4.0 | >4.0 |
| Mean gradient (mm Hg) | < 25 | 25-40 | >40 |
| Aortic valve area (cm2) | >1.5 | 1.0-1.5 | <1.0 |
| Valve area index (cm2 /m2) | <0.6 | ||
| Outflow track velocity-to-aortic valve velocity | <0.25 |