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ECHONOMY
Tools for Echocardiographic Calculations
Muhamed Saric, MD, PhD
New York University
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![Mitral Stenosis](_derived/Mitral%20Stenosis.htm_cmp_strtedge010_bnr.gif) |
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Reference
Values |
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Valve Area
cm2 |
Mean Gradient
mm Hg |
Normal |
4.0
- 6.0 |
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Mild Stenosis |
> 1.5 |
<5 |
Moderate Stenosis |
1.0 - 1.5 |
5 - 10 |
Severe Stenosis |
<1.0 |
>10 |
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Note |
![](Mitral_US%20Quarter.gif)
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Normal mitral valve area in adult human is roughly the
size of the US quarter (25-cent coin) whose area is 4.6 cm2. |
Reference |
ACC/AHA 2006 guidelines for the
management of patients with valvular heart disease.
J Am Coll Cardiol 2006
48(3):e1-148. |
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