| Annular mitral stenosis (Figure 7) | Rheumatic mitral stenosis (Figure 8) |
| Degenerative | Inflammatory |
| Heavy calcification at the base of leaflets | Calcification of leaflets mainly at the tips |
| Leaflet tips are free | Leaflet tips thickened |
| Leaflets open without dooming restriction | Restricted diastolic opening of leaflets with dooming |