Table 2 Typical scan parameters
Parameter | Unit | MRI1 | MRI2 |
|---|---|---|---|
Field-of-view | mm3 | 290 × 290 × 56 | 312 × 384 × 50 |
Acquired spatial resolution | mm3 | 2.5 × 2.5 × 2.5 | 2.5 × 2.0 × 2.5 |
Reconstructed spatial resolution | mm3 | 2.0 × 2.0 × 2.0 | 2.0 × 2.0 × 2.0 |
Number of reconstructed heart phases | 24 | 24 | |
ECG synchronization | Retrospective | Retrospective | |
Respiratory motion compensation | Gating window 8 mm | Gating window 8 mm | |
Flip Angle | ° | 8 | 7 |
Parallel Imaging | SENSE acceleration factor: 2.2 | GRAPPA acceleration factor: 3.0 | |
Velocity-encoding factor | cm/s | 200 | 200 |