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| AVA (cm2) | Mean TVG (mmHg) | Peak Aortic Velocity (m/sec) | |
|---|---|---|---|
| Mild | >1.5 | <25 | <3 |
| Moderate | 1-1.5 | 25-40 | 3-4 |
| Severe | <1 or iAVA≤0.6 cm2/m2 | >40* | >4 |
Aortic Valve Area, AVA; Aortic Valve Area indexed for iAVA; Transvalvular Gradient, TVG; *ESC guideline accepts 50 mmHg as cut off to be severe.
