Table 4 Parameters of heart MRI sequences
Sequence | Slice orientation | Phase encoding direction | Number of slices | Field of view (mm2) | Slice gap (mm) | Voxel size (mm3) | Repetition time (ms) | Echo time (ms) | Respiration control (parts) | Flip angle (°) | Bandwidth (Hz/Px) | Imaging mode | Acceleration mode (factor) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TRUFI single shot axial | transversal | A> > P | 10 | 340 × 252 | 6.0 | 1.3 × 1.3 × 6.0 | 295.68 | 1.23 | Breath-hold (1) | 38 | 849 | 2D | GRAPPA (2) |
TRUFI single shot 2 chamber | 2-chamber | L> > R | 1 | 340 × 252 | 1.5 | 1.3 × 1.3 × 6.0 | 295.68 | 1.23 | Breath-hold (1) | 38 | 849 | 2D | GRAPPA (2) |
TRUFI single shot nearly 4 chamber | nearly 4-chamber | A> > P | 1 | 340 × 252 | 1.5 | 1.3 × 1.3 × 6.0 | 295.68 | 1.23 | Breath-hold (1) | 38 | 849 | 2D | GRAPPA (2) |
TRUFI single shot short axis | short-axis | A> > P | 1 | 340 × 252 | 1.5 | 1.3 × 1.3 × 6.0 | 295.68 | 1.23 | Breath-hold (1) | 38 | 849 | 2D | GRAPPA (2) |
TRUFI single shot 4 chamber | 4-chamber | A> > P | 1 | 340 × 252 | 1.5 | 1.3 × 1.3 × 6.0 | 295.68 | 1.23 | Breath-hold (1) | 38 | 849 | 2D | GRAPPA (2) |
Cine 4 chamber | 4-chamber | A> > P | 4 | 340 × 276 | 1.2 | 1.8 × 1.8 × 6.0 | 35.70 | 2.47 | Breath-hold (4) | 12 | 449 | 2D | GRAPPA (2) |
Cine short axis | short-axis | A> > P | 6 | 340 × 276 | 1.2 | 1.8 × 1.8 × 6.0 | 35.70 | 2.47 | Breath-hold (6) | 12 | 449 | 2D | GRAPPA (2) |
T2 HASTE | Coronal | R> > L | 30 | 400 × 400 | 1.0 | 1.6 × 1.6 × 5.0 | 1400 | 87 | Breath-hold (2) | 160 | 698 | 2D | GRAPPA (3) |
T1 TSE dark blood | transversal | A> > P | 20 | 340 × 276 | 2.0 | 1.3 × 1.3 × 4.0 | 750 | 4.1 | Breath-hold (20) | 180 | 849 | 2D | GRAPPA (3) |