AR | MR | TR | |
---|---|---|---|
The width of the vena contracta (mm) | >6 | ≥7 | ≥7 |
ERO (mm2) | ≥30 | ≥40 | ≥40 |
RVol (ml) | ≥60 | ≥60 | ≥45 |
Other | PHT <200 ms | PISA radius – large | PISA radius >9 mm |
Aortic stenosis | Mitral stenosis | Tricuspid stenosis | |
---|---|---|---|
Orifice area (cm2) | <1,0 | <1,0 | |
Effective orifice area index (cm2/m2 body surface) | <0,6 | ||
Mean gradient (mm Hg) | >40 | >10 | ≥5 |
Peak flow velocity (m/s) | >4,0 | ||
Peak gradient (mm Hg) | >64 |