BH-2D | BH-SOS | FB-NS-SOS | FB-NS-Cartesian 3D | |
---|---|---|---|---|
Scan time (s) for heart rate of 60 bpm | 18 | 16 | 312* | 312* |
Acquisition window (ms) | 327 | 327 | 118 | 118 |
Respiratory control | 5 BH | 9 to 11 BH | Free breathing | Free breathing |
CMR acquisition type | 2D | 3D | 3D | 3D |
Acquired/reconstructed slice thickness (mm) | 1.5/1.5 | 1.3/0.65 | 1.8/0.9 | 1.8/0.9 |
Slice gap in each breath-hold acquisition | 200% | n/a | n/a | n/a |
Slice oversampling (%) | n/a | 50 | 0 | 0 |
Slabs | n/a | 9–11 (1 per BH) | 1 | 1 |
Slices per slab | n/a | 24 | 208 | 208 |
Partial Fourier (slice) | n/a | 7/8 | 6/8 | 6/8 |
ipat factor | n/a | n/a | n/a | 3 |
Shots per slice | 1 | 1 | 2 | 2 |
Excitation | Slice selective | Slab selective | Non-selective | Non-selective |
TR (ms) | 3.3 | 3.4 | 2.4 | 2.4 |
TE (ms) | 1.67 | 1.69 | 1.2 | 1.2 |
Flip angle (degrees) | 95 | 95 | 90 | 90 |
Matrix | 160 | 160 | 176 | 224 |
Field of view (mm) | 320 | 350 | 320 | 400 |
Reconstructed in-plane spatial resolution | 1.0 | 1.1 | 0.9 | 0.9 |
Bandwidth (Hz/pixel) | 1359 | 1302 | 1420 | 1395 |