Health

Aortic Valve Area Calculator

Assess aortic stenosis severity using the continuity equation.

LVOT Diameter (cm)

LVOT VTI (cm)

AV VTI (cm)

Aortic Valve Area—

LVOT Area—

Severity—

Continuity Equation:
LVOT Area = π × (D/2)²
AVA = (LVOT Area × LVOT VTI) / AV VTI
Severe: <1.0 cm² | Moderate: 1.0-1.5 | Mild: >1.5