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Quantification of Aortic Regurgitation
1988The aortic regurgitation fraction RGF is defined as ‘volume regurgitating from the aorta during diastole’ divided by Volume expelled into the aorta in the previous systole’. Assuming a competent mitral valve yields: $$ RGF\left( \% \right) = \left[ {(SV - FSV)/SV} \right] \times 100, $$ (1) where SV is the left ventricular stroke volume and ...
P.-A. Doriot +3 more
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BMJ, 1920