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Normal Values: Difference between revisions
→vavularregurg - table 3
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! | ! style="width:160px" | | ||
! Mild | ! style="width:250px" | Mild | ||
! Moderate | ! style="width:200px" colspan="2" | Moderate | ||
! Severe | ! style="width:250px" | Severe | ||
|- | |- | ||
! Specific signs of severity | ! Specific signs of severity | ||
| <ul> | | style="vertical-align:top" | <ul> | ||
<li>Small central jet <4 cm<sup>2</sup> or <20% of LA areaψ</li> | <li>Small central jet <4 cm<sup>2</sup> or <20% of LA area<sup>ψ</sup></li> | ||
<li>Vena contracta width <0.3 cm</li> | <li>Vena contracta width <0.3 cm</li> | ||
<li>No or minimal flow convergence</li> | <li>No or minimal flow convergence</li> | ||
</ul> | </ul> | ||
| | | style="vertical-align:top" colspan="2" | Signs of MR>mild present, but no criteria for severe MR | ||
| style="vertical-align:top" | <ul> | |||
<li>Vena contracta width ≥ 0.7cm <em>with</em> large central MR jet (area < 40% of LA) or with a wall-impinging jet of any size, swirling in LA<sup>ψ</sup></li> | |||
<li>Large flow convergence<sup>ς</sup></li> | |||
<li>Systolic reversal in pulmonary veins</li> | |||
<li>Prominent flail MV leaflet or ruptured papillary muscle</li> | |||
</ul> | |||
|- | |||
! Supportive signs | |||
| style="vertical-align:top" | <ul> | |||
<li>Systolic dominant flow in pulmonary veins</li> | |||
<li>A-wave dominant mitral inflow<sup>Φ</sup></li> | |||
<li>Soft density, parabolic CW Doppler MR signal</li> | |||
<li>Normal LV size<sup>∗</sup></li> | |||
</ul> | |||
| style="vertical-align:top" colspan="2" | Intermediate signs/findings | |||
| style="vertical-align:top" | <ul> | |||
<li>Dense, triangular CW Doppler MR jet</li> | |||
<li>E-wave dominant mitral inflow (E >1.2 m/s)<sup>Φ</sup> Enlarged LV and LA size<sup>∗∗</sup>, (particularly when normal LV function is present).</li> | |||
</ul> | |||
|- | |||
| colspan="5" | '''Quantitative parameters<sup>φ</sup>''' | |||
|- | |||
| style="padding-left:12px" | R Vol (ml/beat) | |||
| align="center" | < 30 | |||
| align="center" | 30-44 | |||
| align="center" | 45-59 | |||
| align="center" | ≥ 60 | |||
|- | |||
| style="padding-left:12px" | RF (%) | |||
| align="center" | < 30 | |||
| align="center" | 30-39 | |||
| align="center" | 40-49 | |||
| align="center" | ≥ 50 | |||
|- | |||
| style="padding-left:12px" | EROA (cm<sup>2</sup>) | |||
| align="center" | < 0.20 | |||
| align="center" | 0.20-0.29 | |||
| align="center" | 0.30-0.39 | |||
| align="center" | ≥ 0.40 | |||
|- | |||
| colspan="5" | <ul><li><em>CW</em>, Continuous wave; <em>EROA</em>, effective regurgitant orifice area; <em>LA</em>, left atrium; <em>LV</em>, left ventricle; <em>MV</em>, mitral valve; <em>MR</em>, mitral regurgitation; <em>R Vol</em>, regurgitant volume; <em>RF</em>, regurgitant fraction.</li></ul> | |||
<sup>∗</sup> LV size applied only to chronic lesions. Normal 2D measurements: LV minor axis | |||
|} | |} | ||