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Table 1 Acquisition protocol for the 2D and 3D data acquisitions

From: Acceleration of tissue phase mapping with sensitivity encoding at 3T

Acquisition parameter

Value

 

sequence type

velocity encoded segmented gradient echo

velocity encoded segmented gradient echo

TR/TE

7 ms/4.7 ms

7.1 ms/4.9 ms

FOV

340 × 340 mm2

380 × 380 mm2

flip angle

15°

15°

k-lines per segment

3 + 1 startup echo

3

acquisition matrix

172 × 168

128 × 124

spatial resolution

2 × 2 × 8 mm3

3 × 3 × 3 mm3

  

(with over-contiguous slices)

black blood mode

alternating

alternating

number of slices

1

21

cardiac phases at 60 bpm

21

23

phase interval

40 ms

37.3 ms

VENC

30 cm/s

20 cm/s

navigator duration + evaluation

15.5 ms + 5 ms

15.5 ms + 5 ms

number of chunks

 

3 (to enable black blood suppression)

RR interval

90%

90%

SENSE acceleration factor R

1,2,3,4

4

nominal scan duration [min]

3:45, 1:57, 1:17, 0:57 (corresponding to R)

15:30