Table.1.

Imaging parameters of a 2D-GRE-MRE for liver on a 1.5T magnet scanner

Parameters	Typical values
Orientation	Supine/Feet first
Coil	Surface coil
Slice orientation	Axial
Field of view (FOV)	30–42cm
Fractional FOV	0.7– 1.0 (patient specific)-optional
Frequency direction	Right/Left
Matrix	256 ×64
Slice thickness	10mm
Number of slices	4
Breath hold	Breath hold in expiration
TR/TE	50/20
Flip angle	25–30
Number of echoes	1
Echo train length	1
Bandwidth	31.25ms
Number of excitations (NEX)	1
Acceleration factor	2
Active driver frequency	60Hz
Active driver power	50% (up to 100% can be used)
Phase offsets	4
MEG frequency	60Hz
Number of MEG	1
MEG amplitude	1.76 Gauss/cm (variable and machine specific)
MEG direction	R/L same as slice direction
Acquisition time	50–60s ( four breath holds)