Table 2.
Gas doses for HP 3He and 129Xe acquisitions reported as HP gas dose (N2)
| Acquisition | 3He (N2), ml | 129Xe (N2), ml |
|---|---|---|
| RV | 200 (800) | 1000 (0) |
| RV + 1L | 150 (850) | 750 (250) |
| FRC | 200 (800) | 1000 (0) |
| FRC + 1L | 150 (850) | 600 (400) |
| TLC | 200 (800) | 750 (250) |
RV, residual volume; RV + 1L, residual volume plus 1 liter of gas mixture; FRC, functional residual capacity; FRC + 1L, functional residual capacity volume plus 1 liter of gas mixture; TLC, total lung capacity; N2, nitrogen; 3He, helium-3; 29Xe, xenon-129; HP, hyperpolarized.