Table 1.
Relation of the aortic valve area to the gradient
| Aortic valve area (cm2) | Mean gradient (mmHg) |
|---|---|
| 4 | 1.7 |
| 3 | 2.9 |
| 2 | 6.6 |
| 1 | 26 |
| 0.9 | 32 |
| 0.8 | 41 |
| 0.7 | 53 |
| 0.6 | 73 |
| 0.5 | 105 |
Reproduced with permission from Carabello4. Data were derived with the Gorlin formula:
 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.