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ASL MRI Acquisition Parameters
| Standard ASL | Multidelay ASL | Long-Label Long-Delay | |
|---|---|---|---|
| Repetition time, ms | 4852 | 6489 | 8489 |
| Echo time, ms | 10.7 | 10.7 | 10.7 |
| Label duration, ms | 1500 | 2000 | 3000 |
| Post-label delay, ms | 2025 | 5 equally spaced between 700 and 3000 | 4000 |
| In-plane resolution, mm | 3.7×3.7 | 5.8×5.8 | 5.8×5.8 |
| Slice thickness, mm | 4.0 | 4.0 | 4.0 |
| Spiral # arms | 8 | 4 | 4 |
| Points/arm | 512 | 512 | 512 |
| # Averages | 3 | 1 | 4 |
| Bandwidth, kHz | 62.5 | 62.5 | 62.5 |
| Scan duration, min | 4:42 | 4:46 | 5:06 |
ASL indicates arterial spin labeling.
