Normal Values: Difference between revisions

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! style="width:160px" |  
! style="width:160px" |  
! style="width:250px" | Mild  
! style="width:250px" | Mild  
! style="width:200px" colspan="2" | Moderate  
! colspan="2" | Moderate  
! style="width:250px" | Severe
! style="width:250px" | Severe


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<li>No or brief early diastolic flow reversal in descending aorta</li>
<li>No or brief early diastolic flow reversal in descending aorta</li>
</ul>
</ul>
| style="vertical-align:top" colspan="2" | Signs of AR&gt;mild present but no criteria for severe AR
| style="vertical-align:top" colspan="2" | <ul><li>Signs of AR&gt;mild present but no criteria for severe AR</li></ul>
| style="vertical-align:top" | <ul>
| style="vertical-align:top" | <ul>
<li>Central Jet, width &ge; 65% of LVOT<sup>&sigmaf;</sup></li>
<li>Central Jet, width &ge; 65% of LVOT<sup>&sigmaf;</sup></li>
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<li>Normal LV size<sup>&lowast;</sup></li>
<li>Normal LV size<sup>&lowast;</sup></li>
</ul>
</ul>
| style="vertical-align:top" colspan="2" | Intermediate values
| style="vertical-align:top" colspan="2" | <ul><li>Intermediate values</li></ul>
| <ul>
| <ul>
<li>Pressure half-time &lt; 200 ms</li>
<li>Pressure half-time &lt; 200 ms</li>
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| style="padding-left:12px" | R Vol, ml/beat
| style="padding-left:12px" | R Vol, ml/beat
| align="center" | &lt; 30
| align="center" | &lt; 30
| align="center" | 30-44
| align="center" style="width:125px" | 30-44
| align="center" | 45-59
| align="center" style="width:125px" | 45-59
| align="center" | &ge; 60
| align="center" | &ge; 60


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|-
| 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.
| colspan="5" |  
<ul>
<li><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.</li>
<li><sup>&lowast;</sup> LV size applied only to chronic lesions. Normal 2D measurements: LV minor-axis &le; 2.8 cm/m<sup>2</sup>, LV end-diastolic volume &le; 82 ml/m<sup>2</sup> (2).</li>
<li><sup>&sigmaf;</sup> At a Nyquist limit of 50–60 cm/s.</li>
<li><sup>&lowast;&lowast;</sup> In the absence of other etiologies of LV dilatation.</li>
<li><sup>&psi;</sup> Quantitative parameters can help sub-classify the moderate regurgitation group into mild-to-moderate and moderate-to-severe regurgitation as shown.</li>
</ul>


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