From: Acceleration of tissue phase mapping with sensitivity encoding at 3T
Acquisition parameter | Value | Â |
---|---|---|
sequence type | velocity encoded segmented gradient echo | velocity encoded segmented gradient echo |
TR/TE | 7 ms/4.7 ms | 7.1 ms/4.9 ms |
FOV | 340 × 340 mm2 | 380 × 380 mm2 |
flip angle | 15° | 15° |
k-lines per segment | 3 + 1 startup echo | 3 |
acquisition matrix | 172 × 168 | 128 × 124 |
spatial resolution | 2 × 2 × 8 mm3 | 3 × 3 × 3 mm3 |
 |  | (with over-contiguous slices) |
black blood mode | alternating | alternating |
number of slices | 1 | 21 |
cardiac phases at 60 bpm | 21 | 23 |
phase interval | 40 ms | 37.3 ms |
VENC | 30 cm/s | 20 cm/s |
navigator duration + evaluation | 15.5 ms + 5 ms | 15.5 ms + 5 ms |
number of chunks | Â | 3 (to enable black blood suppression) |
RR interval | 90% | 90% |
SENSE acceleration factor R | 1,2,3,4 | 4 |
nominal scan duration [min] | 3:45, 1:57, 1:17, 0:57 (corresponding to R) | 15:30 |