Table 4 Velocity-encoded phase-contrast cine for quantitative flow measurements
| Â | Infant/small child | Large child/adult |
|---|---|---|
In-plane resolution (mm) | 1.0-1.3 | 1.3-2.0 |
Slice thickness (mm) | 5 | 6-8 |
Number of signal averages | 3 | |
Reconstructed phases per R-R interval | 25-30 | |
Velocity encoding (cm/s) | Artery 200, vein 100, atrioventricular-valve inflow 150 | |
Cardiac/respiratory motion | Retrospective ECG-gating with free-breathing | |