9. Which of the following valve areas would be considered moderate mitral valve stenosis?

A. 0.8 cm2

B. 1.2 cm2

C. 2.2 cm2

D. 2.8 cm2

 

A mitral valve area should normally be between 4 and 6 cm2. Mild mitral stenosis reduces the valve orifice area to between 2 and 4 cm2, moderate between 1 and 2 cm2 and severe < 1 cm2.