| Aortic stenosis echocardiography severity guide |
| |
Normal |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
| LVEF (%) |
> 55 |
50 - 55 |
45 - 49 |
40 - 44 |
< 40 |
| LV dimensions (mm) |
|
|
|
|
|
| Wall thickness (diastolic) |
6 - 11 |
12 - 14 |
15 - 16 |
17 - 18 |
> 18 |
| LA dimension (mm) |
< 40 |
40 - 43 |
44 - 48 |
49 - 54 |
> 55 |
| Valve parameters |
|
|
|
|
|
| Aortic area (square cm) |
> 2.5 |
2.0 - 2.5 |
1.5 - 1.9 |
1.2 - 1.4 |
< 1.2 |
| Aortic peak gradient (mm Hg) |
< 10 |
10 - 19 |
20 - 29 |
30 - 50 |
> 50 |
| Outflow velocity (m / sec) |
|
< 2.2 |
2.2 - 2.7 |
2.8 - 3.5 |
> 3.5 |
| Aortic mean gradient (mm Hg) |
< 2 |
2 - 4 |
5 - 19 |
20 - 38 |
> 38 |
| Aortic regurgitation echocardiography severity guide |
| |
Normal |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
| LVEF (%) |
> 55 |
50 - 55 |
45 - 49 |
40 - 44 |
< 40 |
| LV dimensions (mm) |
|
|
|
|
|
| End diastolic (LVEDD) |
35 - 55 |
56 - 58 |
59 - 61 |
62 - 64 |
> 64 |
| End systolic (LVESD) |
< 35 |
36 - 38 |
39 - 44 |
45 - 50 |
> 50 |
| LA dimension (mm) |
< 40 |
40 - 43 |
44 - 48 |
49 - 54 |
> 55 |
| Valve parameters |
|
|
|
|
|
| Regurgitation |
0 - Trace |
1+ |
2+ |
3+ |
4+ |
| Mitral regurgitation echocardiography severity guide |
| |
Normal |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
| LVEF (%) |
|
> 55 |
> 60 |
50 - 59 |
< 50 |
| LV dimensions (mm) |
|
|
|
|
|
| End diastolic (LVEDD) |
35 - 55 |
56 - 58 |
59 - 61 |
62 - 64 |
> 64 |
| End systolic (LVESD) |
< 36 |
36 - 38 |
39 - 44 |
45 - 50 |
> 50 |
| LA dimension (mm) |
< 40 |
40 - 43 |
44 - 48 |
49 - 54 |
> 55 |
| Valve parameters |
|
|
|
|
|
| Regurgitation |
0 - Trace |
1+ |
2+ |
3+ |
4+ |
| Mitral stenosis echocardiography severity guide |
| |
Normal |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
| LVEF (%) |
> 55 |
50 - 55 |
45 - 49 |
40 - 44 |
< 40 |
| LA dimension (mm) |
< 40 |
40 - 43 |
44 - 48 |
49 - 54 |
> 55 |
| Valve parameters |
|
|
|
|
|
| Mitral peak gradient (mm Hg) |
< 2 |
2 - 5 |
6 - 10 |
11 - 16 |
> 16.1 |
| Mitral mean gradient (mm Hg) |
< 2 |
2 - 3 |
4 - 6 |
7 - 10 |
> 10 |
| Mitral area (square cm) |
> 4.5 |
2.5 - 4.4 |
2.0 - 2.4 |
1.5 - 1.9 |
< 1.5 |
| Valvular heart disease echocardiography severity guide |
| |
Normal |
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
| LV Function |
|
|
|
|
|
| EF (MR only) (%) |
|
> 55 |
> 60* |
50 - 59 |
< 50 |
| EF (all others) (%) |
> 55 |
50 - 55 |
45 - 49 |
40 - 44 |
< 40 |
| LV Dimensions (mm) |
|
|
|
|
|
| Wall Thickness (diastolic) |
6 - 11 |
12 - 14 |
15 - 16 |
17 - 18 |
> 18 |
| End Diastolic (LVEDD) |
35 - 55 |
56 - 58 |
59 - 61 |
62 - 64 |
> 64 |
| End Systolic (LVESD) |
< 35 |
36 - 38 |
39 - 44 |
45 - 50 |
> 50 |
| LA Dimension (mm) |
< 40 |
40 - 43 |
44 - 48 |
49 - 54 |
> 55 |
| Valve Parameters |
|
|
|
|
|
| Severity |
Normal |
Mild |
Moderate |
Severe |
N/A |
| Regurgitation |
0 - Trace |
1+ |
2+ |
3+ |
4+ |
| *As the regurgitation increases, there is more blood to expel into the aorta, so ejection fraction rise, only to decrease in grade 3 |
| Aortic Area (square cm) |
> 2.5 |
2.0 - 2.5 |
1.5 - 1.9 |
1.2 - 1.4 |
< 1.2 |
| Aortic Peak Gradient (mm Hg) |
< 10 |
10 - 19 |
20 - 29 |
30 - 50 |
> 50 |
| Aortic Mean Gradient (mm Hg) |
< 2 |
2 - 4 |
5 - 19 |
20 - 38 |
> 38 |
| Mitral Peak Gradient (mm Hg) |
< 2 |
2 - 5 |
6 - 10 |
11 - 16 |
> 16.1 |
| Mitral Mean Gradient (mm Hg) |
< 2 |
2 - 3 |
4 - 6 |
7 - 10 |
> 10 |
| Mitral Area (square cm) |
> 4.5 |
2.5 - 4.4 |
2.0 - 2.4 |
1.5 - 1.9 |
< 1.5 |
