Aortic Valve Area Calculator
Calculate aortic valve area using the continuity equation
Note: This calculator uses the continuity equation to estimate aortic valve area.
Clinical judgment should always be used in conjunction with echocardiographic findings and patient assessment.
Aortic Valve Area
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Severity Classification
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Indexed Valve Area
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Clinical Interpretation
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Valve Area Classification
Normal: 3.0-4.0 cm²
Mild Stenosis: 1.5-2.0 cm²
Moderate Stenosis: 1.0-1.5 cm²
Severe Stenosis: < 1.0 cm²
Critical Stenosis: < 0.8 cm²
Mild Stenosis: 1.5-2.0 cm²
Moderate Stenosis: 1.0-1.5 cm²
Severe Stenosis: < 1.0 cm²
Critical Stenosis: < 0.8 cm²
Clinical Recommendations
Enter measurements and click calculate to see recommendations.
Important: This calculator provides estimates based on the continuity equation.
Clinical decisions should be based on comprehensive echocardiographic assessment, including
Doppler gradients, valve morphology, and patient symptoms. Always correlate with clinical findings.