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Fig. 5.
The main echocardiographic criteria for the diagnosis of severe regurgitation
| 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 |
The main echocardiographic criteria for the diagnosis of severe valvular stenosis
| 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 |