|
Regurgitation | |||
|
Mild |
Moderate |
Severe | |
|
Effective regurgitant orifice area (cm2) |
<0.20 |
0.2-0.39 |
≥0.40 |
|
Regurgitant volume (mL) |
<30 |
30-59 |
≥60 |
|
Regurgitant fraction (%) |
<30 |
30-49 |
≥50 |
|
PASP (mm Hg) |
<30 |
30-50 |
>50 |
|
Based on Circulation 2021;143(5): e72-e227. | |||
|
MVA, mitral valve area; MVG, mitral valve gradient; PASP, pulmonary artery systolic pressure. | |||