Differences of area between internal jugular vein and vertebral vein in supine and standing positions
| Area, cm2a | ||
|---|---|---|
| Supine Position | Standing Position | |
| IJV right | 0.42 ± 0.40 | 0.07 ± 0.06 |
| IJV left | 0.41 ± 0.25 | 0.07 ± 0.06 |
| Total | 0.83 ± 0.56 | 0.14 ± 0.09 |
| VV right | 0.02 ± 0.01 | 0.02 ± 0.01 |
| VV left | 0.06 ± 0.25 | 0.02 ± 0.01 |
| Total | 0.08 ± 0.25 | 0.03 ± 0.02 |
| IJV + VV total | 0.91 ± 0.61 | 0.17 ± 0.09 |
↵a Mean ± SD.