Table 2.
Machine | 3 Tesla MR system (Trio, Siemens AG, Erlangen, Germany) |
Coil | standard 32-channel phased-array coil |
Sequence | k-space segmented 3D RF-spoiled gradient-echo sequence with interleaved three-directional velocity encoding |
Gating | Respiratory navigator gating and prospective ECG gating |
Spatial resolution | 1.25–1.77 × 1.25–1.77 × 3.2mm3 |
Matrix size | 192–256 × 120–192 |
Field of view | Rectangular: 320–340 to 200–256) mm2 |
Number of slices | 20–40 |
Temporal resolution | 40ms |
Velocity encoding | 1.5 m/s |
Frames per cardiac cycle | 16–20 |
Flip angle | 7° |
TR | 5ms |
TE | 2.519ms |
Segmentation factor | 2 |