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{| class="wikitable" style="font-size:90%;" | {| class="wikitable" style="font-size:90%;" | ||
|+''' | |+'''Application of specific and supportive signs, and quantitative parameters in the grading of aortic regurgitation severity''' | ||
|- | |||
! style="width:160px" | | |||
! style="width:250px" | Mild | |||
! style="width:200px" colspan="2" | Moderate | |||
! style="width:250px" | Severe | |||
|- | |||
! Specific signs for AR severity | |||
| style="vertical-align:top" | <ul> | |||
<li>Central Jet, width < 25% of LVOT<sup>ς</sup></li> | |||
<li>Vena contracta < 0.3 cm<sup>ς</sup></li> | |||
<li>No or brief early diastolic flow reversal in descending aorta</li> | |||
</ul> | |||
| style="vertical-align:top" colspan="2" | Signs of AR>mild present but no criteria for severe AR | |||
| style="vertical-align:top" | <ul> | |||
<li>Central Jet, width ≥ 65% of LVOT<sup>ς</sup></li> | |||
<li>Vena contracta > 0.6cm<sup>ς</sup></li> | |||
</ul> | |||
|- | |||
! Supportive signs | |||
| style="vertical-align:top" | <ul> | |||
<li>Pressure half-time > 500 ms</li> | |||
<li>Normal LV size<sup>∗</sup></li> | |||
</ul> | |||
| style="vertical-align:top" colspan="2" | Intermediate values | |||
| <ul> | |||
<li>Pressure half-time < 200 ms</li> | |||
<li>Holodiastolic aortic flow reversal in descending aorta</li> | |||
<li>Moderate or greater LV enlargement<sup>∗∗</sup></li> | |||
</ul> | |||
|- | |||
| colspan="5" | '''Quantitative parameters<sup>ψ</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" | < 0.10 | |||
| align="center" | 0.10-0.19 | |||
| align="center" | 0.20-0.29 | |||
| align="center" | ≥ 0.30 | |||
|- | |||
| colspan="5" | <em>AR</em>, Aortic regurgitation; <em>EROA</em>, effective regurgitant orifice area; <em>LV</em>, left ventricle; <em>LVOT</em>, left ventricular outflow tract; <em>R Vol</em>, regurgitant volume; <em>RF</em>, regurgitant fraction. | |||
|} | |} |