1.0 Tesla | 1.5 Tesla | |
---|---|---|
Cine SSFP | ||
TR (ms)/TE (ms) | 4.1-4.4/2.0-2.2 | 3.1-3.3/1.6 |
Flip angle (°) | 55-60 | 60 |
Receive bandwidth (Hz/pixel) | 578 or 1014 | 954 |
In-plane spatial resolution (mm) | 1.9-2.0 | 1.7-1.9 |
Slice thickness (mm) | 8 | 8 |
Phases per cardiac cycle | 24-30 | 30 |
SENSE | 1 | 2 |
SAR* | <74-92% | <95% |
Black blood | ||
In-plane spatial resolution (mm) | 1.6-1.7 | 1.2-1.5 |
Slice thickness (mm) | 5-7 | 4-5 |
Number of signals averaged | 1-2 | 1 |
SENSE | 1 | 2 |
SAR (for proton density) | <34% | <15% |
Phase contrast | ||
TR (ms)/TE (ms) | 6.5-6.9/4.1-4.7 | 3.1-3.3/1.6 |
Flip angle (°) | 12-25 | 12 |
Receive bandwidth (Hz/pixel) | 318-364 | 717 |
In-plane spatial resolution (mm) | 2.0-2.2 | 1.6-1.8 |
Slice thickness (mm) | 6 | 6 |
Phases per cardiac cycle | 20-40 | 40 |
Number of signals averaged | 2-3 | 3 |
SENSE | 1 | 2 |
SAR | <2% | <2% |
Magnetic resonance angiogram | ||
TR (ms)/TE (ms) | 4.0/1.5 | 4.8/1.5 |
Flip angle (°) | 40 | 40 |
Receive bandwidth (Hz/pixel) | 482 or 789 | 249 |
In-plane spatial resolution (mm) | 1.8-2.2 | 1.7-1.8 |
Slice thickness (mm) | 3.0-3.4 | 2.6-2.8 |
SENSE | 1 | 1.5 AP, 1.5 LR |
SAR | <82-92% | <51% |
3-dimensional SSFP | ||
TR (ms)/TE (ms) | 5.1-5.5/2.6-2.8 | 4.3/2.2 |
Flip angle (°) | 90 | 90 |
Receive bandwidth (Hz/pixel) | 578 | 618 |
Isotropic voxel size (mm) | 1.9-2.6 | 1.6 |
SENSE | 1 | 1.5 AP, 1.5 LR |
SAR | <62% | <36% |
LGE | ||
TR (ms) | 6.0 | 6.1 |
TE (ms) | 3.0 | 3.0 |
Flip angle (°) | 25 | 25 |
Receive bandwidth (Hz/pixel) | 299 or 495 | 232 |
In-plane spatial resolution (mm) | 2.0-2.2 | 1.7-1.8 |
Slice thickness (mm) | 8 | 8 |
SENSE | 1 | 1 |
SAR | <10% | <8% |
3-dimensional LGE | ||
TR (ms)/TE (ms) | 5.3/2.6 | Not performed |
Flip angle (°) | 25 | |
Receive bandwidth (Hz/pixel) | 299 | |
In-plane spatial resolution (mm) | 1.9 | |
Slice thickness (mm) | 5 | |
SAR | <17% |