Valve Area Calculator
Calculate aortic or mitral valve area using the Gorlin equation from cardiac catheterization data.
Medical Disclaimer
This calculator is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about your health. Never disregard professional medical advice or delay seeking it because of results from this tool.
Inputs
Results
Valve Area
0.79 cm²
Stenosis Grade
3
How to Use This Calculator
- Enter cardiac output (L/min), heart rate (bpm), and systolic ejection period or diastolic filling period (ms).
- Set mean transvalvular pressure gradient (mmHg) and select valve type (aortic or mitral).
- Review Valve Area (cm²), Stenosis Grade, Transvalvular Flow (mL/s), and Peak Velocity (m/s).
- Aortic valve area < 1.0 cm² = severe stenosis; mitral valve area < 1.5 cm² = severe stenosis.
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