Aortic Stenosis Severity

AS Grading by AHA/ACC and ESC Criteria

Peak Aortic Jet Velocity (Vmax)

m/s

Mean Pressure Gradient

mmHg

Aortic Valve Area (AVA)

cm²

Enter directly, or use continuity equation inputs below

LVOT Diameter

LVOT VTI

Aortic VTI

LVEF

Heart Rate

bpm

Low-flow stateStroke volume index <35 mL/m²

Low gradientMean PG <40 mmHg

AS Severity —

AVA (Continuity Eq.) —

Dimensionless Velocity Index —

Special Classification —

Enter echocardiographic data above.