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→vavularregurg - table 8
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{| class="wikitable" style="font-size:90%;" | {| class="wikitable" style="font-size:90%;" | ||
|+''' | |+'''Echocardiographic and Doppler parameters used in grading tricuspid regurgitation severity''' | ||
|- | |||
! style="width:250px" | Parameter | |||
! style="width:250px" | Mild | |||
! style="width:250px" | Moderate | |||
! style="width:250px" | Severe | |||
|- | |||
| Tricuspid valve | |||
| Usually normal | |||
| Normal or abnormal | |||
| Abnormal/Flail leaflet/Poor coaptation | |||
|- | |||
| RV/RA/IVC size | |||
| Normal<sup>∗</sup> | |||
| Normal or dilated | |||
| Usually dilated<sup>∗∗</sup> | |||
|- | |||
| Jet area-central jets (cm<sup>2</sup>)<sup>§</sup> | |||
| < 5 | |||
| 5-10 | |||
| > 10 | |||
|- | |||
| VC width (cm)<sup>Φ</sup> | |||
| Not defined | |||
| Not defined, but < 0.7 | |||
| > 0.7 | |||
|- | |||
| PISA radius (cm)<sup>ψ</sup> | |||
| ≤ 0.5 | |||
| 0.6-0.9 | |||
| > 0.9 | |||
|- | |||
| Jet density and contour–CW | |||
| Soft and parabolic | |||
| Dense, variable contour | |||
| Dense, triangular with early peaking | |||
|- | |||
| Hepatic vein flow† | |||
| Systolic dominance | |||
| Systolic blunting | |||
| Systolic reversal | |||
|- | |||
|} | |} | ||