Imaging parameters of CMRI
| Standardised multicontrast imaging protocol | 3D sequence | ||||
|---|---|---|---|---|---|
| TOF | T1W | T2W | MP-RAGE | MERGE | |
| Sequence | FFE | TSE | TSE | FFE | FFE |
| Black blood | None | QIR | MDIR | MSDE | |
| Repeat time, ms | 20 | 800 | 4800 | 8.8 | 10 |
| Echo time, ms | 4.9 | 10 | 50 | 5.3 | 4.8 |
| Flip angle | 20° | 90° | 90° | 15° | 6° |
| Field of view, cm | 14×14 | 14×14 | 14×14 | 14×14 | 25×16×7 |
| Matrix | 256×256 | 256×256 | 256×256 | 256×256 | 356×357 |
| Scan plane | axial | axial | axial | axial | coronal |
| Slice thickness, mm | 1 | 2 | 2 | 1 | 0.7 |
FFE, Fast field echo; MDIR, multislice double inversion recovery; MP-RAGE, Magnetisation Prepared Gradient Recalled Echo; MSDE, Motion Sensitised Driven Equilibrium; TOF, time-of-flight; TSE, turbo spin echo; QIR, quadruple inversion recovery.