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Mitral Regurgitation EROA

See below for a sample calculation

Notes:

  • Enter in LVOT diameter and LVOT VTI only if you want regurgitant fraction as well

  • Remember MR velocity is in Meters/s not centimeter/s when you input. 

PISA.jpg

Stroke Volume = Pi*(LVOT diameter/2)^2 + LVOT VTI

Regurgitant Fraction = Regurgitant Volume _____________
                                              Regurgitant Volume + Stroke Volume
 

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