Low-field portable MRI sequence details
Sequence* | Slice thickness (mm)/slice gap (mm)/total slices | TR/TE (ms) | Matrix | Acquisition time (min) |
Localiser | 6/2/5 | 60.0/5.7 | 96×64 | 12″ |
FLAIRT1 | 7/2/13 | 1326.0/24.4 | 256×192 | 1′32″ |
FLAIRT2 | 7/2/13 | 4380.0/107.9 | 256×160 | 1′32″ |
T2WI | 7/2/13 | 2500.0/150.4 | 256×192 | 1'33″ |
HEIR | 7/2/13 | 1100.7/24.4 | 256×192 | 1′17″ |
DWI (b=1000 s/mm2) | 7/2/13 | 2598.2/100.3 | 128×128 | 4′22″ |
*All sequences are obtained in the axial plane.
DWI, diffusion-weighted imaging; FLAIRT1, fluid-attenuated inversion recovery T1-weighted; FLAIRT2, fluid-attenuated inversion recovery T2-weighted; HEIR, haematoma enhanced inversion recovery; TE, echo time; TR, repetition time; T2WI, T2 weighted image.