| RA size and volume reference values | ||
|---|---|---|
| Variable | MEN | WOMEN |
| RA major dimension (mm) | < 53 | < 53 |
| RA minor dimension (mm) | < 44 | < 44 |
| RA area end-diastolic (c\mm) | < 18 | < 18 |
| RA major dimension index (cm/m²) | 2,4 ± 0,3 | 2,5 ± 0,3 |
| RA minor dimension index (cm/m²) | 1,9 ± 0,3 | 1,9 ± 0,3 |
| RA Volume index (ml/m²) | 25 ± 7 | 21 ± 6 |
| RA estimated pressure | ||
|---|---|---|
| Inferior Vena Cava size (mm) | IVC collaps (%) | Estimation RA pressure (mmHg) |
| <21 | >50 | 3 (range 0–5) |
| <21 | < 50 | 8 (range 5–10) |
| >21 | >50 | 8 (range 5–10) |
| >21 | < 50 | 15 (range 10- 20) |
| Reference values right atrial strain | |||
|---|---|---|---|
| RA strain component | ALL | MEN | WOMEN |
| RA reservoir strain, % | 45,8 ± 13,0 | 44,6 ± 12,5 | 47,0 ± 13,4* |
| RA conduit strain, % | 18,4 ± 7,5 | 17,8 ± 7,0 | 19,1 ± 7,9* |
| RA contractile strain, % | 27,6 ± 9,7 | 27,0 ± 9,3 | 28,2 ± 10,1* |
*pVal .05
| Reference values right atrial strain | |||
| RA strain component | Mean | 95% CI | I² |
| Reservoir (%) | 42.95 | 40.69-45.21 | 97.7 |
| Conduit (%) | 20.86 | 18.93-22.78 | 98.7 |
| Contraction (%) | 19.30 | 15.75-22.84 | 99.5 |
The information above comes from Echocardiografie.nl. Last changed on: 20 July 2026.