Aortic Valve Area Formula - Cardiology Calculators

Formula:

Aortic Valve Area = LVOT diameter2 * 0.78540 * LVOT VTI / Aortic Valve VTI
CSA = ( LVOT ) cm2 = 0.785 x LVOT Diameter
SV = 0.785 x Diameter2 x VTI ( LVOT )


Where,

LVOT = Left Verticular Outflow Tract
VTI = Velocity Time Integral
CSA = Cross Sectional Area
SV = Stroke Volume

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