Parameter
|
Localizers
|
T1-Weighted
|
T2-Weighted
|
General
|
Sequence type |
2D, multi-slice, gradient-echo |
2D, multi-slice, fast spin-echo |
2D, multi-slice, fast spin-echo |
Preparation phases |
Transmitter gain, receiver gain, center frequency, auto-shim |
Receiver gain, center frequency, VOI shim |
Receiver gain, center frequency, VOI shim |
Receive coil |
Cardiac |
Cardiac |
Cardiac |
Number of excitations |
1 |
1 |
1 |
Total scan duration (min:sec) |
1:23 |
1:40 |
0:54 |
Geometry
|
Anatomical plane(s) |
Axial, coronal, and sagittal |
Axial |
Axial |
Number of slices/plane |
20 |
11 |
11 |
Slice thickness (mm) |
10 |
7 |
7 |
Inter-slice gap (mm) |
0 |
0 |
0 |
Slice acquisition order |
Interleaved |
Interleaved |
Interleaved |
Acquired matrix |
150 x 150 |
340 x 335 |
256 x 256 |
Reconstructed matrix |
512 x 512 |
512 x 512 |
512 x 512 |
Field of view (mm) |
450 x 450 |
256 x 256 |
256 x 256 |
Reconstructed voxel size (mm) |
0.88 x 0.88 x 10.00 |
0.50 x 0.50 x 7.00 |
0.50 x 0.50 x 7.00 |
Contrast
|
Repetition time (ms) |
9 |
530 |
3000 |
Effective echo time (ms) |
7 |
6.2 |
100 |
Echo spacing (ms) |
N/A |
6.2 |
11.8 |
Excitation flip angle (°) |
20 |
90 |
90 |
Refocusing flip angle (°) |
N/A |
110 |
120 |
RF shimming |
Static |
Adaptive |
Adaptive |
Signal acquisition
|
Readout type |
Cartesian |
Cartesian |
Cartesian |
Parallel imaging |
No |
SENSE (g=1.4) |
SENSE (g=2.0) |
Bandwidth/pixel (Hz/pixel) |
1237.8 |
377.1 |
286.6 |