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Stress Testing: MS

ECHONOMY
Tools for Echocardiographic Calculations

Muhamed Saric, MD, PhD
New York University
 

Mitral Stenosis

Reference Values

 

Valve Area
cm2
Mean Gradient
mm Hg
Normal  4.0 - 6.0  
Mild Stenosis > 1.5 <5
Moderate Stenosis 1.0 - 1.5 5 - 10
Severe Stenosis <1.0 >10
     

Note

 

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.