Aortic Valve Effective Orifice Area Calculator

Cardiovascular Echocardiography: Determine aortic valve effective orifice area (EOA), dimensionless index, and stenosis severity by the continuity equation.

Doppler Echocardiography Inputs

LVOT Diameter $D_{LVOT}$ (cm):

Body Surface Area $BSA$ ($m^2$):

LVOT VTI ($VTI_{LVOT}$, cm):

Aortic Jet VTI ($VTI_{AV}$, cm):

Peak Jet Velocity $V_{max}$ (m/s):

Mean Jet Velocity $V_{mean}$ (m/s):

Valvular Area & Hemodynamic Gradients

Effective Orifice Area

-- $cm^2$

Indexed Area ($EOAi$)

-- $cm^2/m^2$

Mean Gradient ($\Delta P_{mean}$)

-- mmHg

Aortic Stenosis Grade

Continuous Wave Doppler Details

• LVOT Cross-Sectional Area: -- $cm^2$

• Peak Gradient ($\Delta P_{peak} = 4 V_{max}^2$): -- mmHg

• Dimensionless Velocity Index ($DVI$): --

• Stroke Volume through LVOT: -- mL

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Aortic Valve Effective Orifice Area Calculator

Doppler Echocardiography Inputs

Valvular Area & Hemodynamic Gradients

Continuous Wave Doppler Details

Frequently Asked Questions