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Aortic Valve Insufficiency: Difference between revisions
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== | ==Jet width ratio relative LVOT== | ||
Currently the most widely used and best documented measurement to assess the severity of aortic insufficiency , however | Currently the most widely used and best documented measurement to assess the severity of aortic insufficiency, however it has limitations in poor parasternal (Plax) windows and eccentric jets. | ||
PLAX: Jet width/width left ventricular outflow-tract x 100% | |||
==Pressure half-time (PHT)== | ==Pressure half-time (PHT)== | ||
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In severe Aoi therefore initially > 0.6 m / s | In severe Aoi therefore initially > 0.6 m / s | ||
TVI backflow signal > 15 cm | TVI backflow signal > 15 cm | ||
[[Image:Aodescflow.png|300px]] | |||
==References== | ==References== | ||
<biblio> | |||
#1 pmid=20375260 | #1 pmid=20375260 | ||
</biblio> | |||