Skip to main content

Table 1 Pulse sequence parameters

From: A multi-center inter-manufacturer study of the temporal stability of phase-contrast velocity mapping background offset errors

 

Scanner type 1

Scanner type 2

Scanner type 3

Slice thickness [mm]

6

6

6

TR, TE [ms]

5.9, 3.0

5.7, 3.1

5.8, 2.3

Bandwidth [Hz/pixel]

326

355

355

Pixel size (acq) FExPE [mm]

1.25 x 2.5

1.2 x 2.4

1.25 x 2.5

FE pixels (excl oversampling)

256

288

256

PE pixels (acq)

128

138

128

Averages

2

4

2

Raw data [lines/cycle]

6

6

6

Flip angle [deg]

30

30

22

  1. Four averages were required on scanner type 2 for sufficient SNR, possibly due to a longer phantom T1 value and/or distance from the array coils. This study did not aim to compare sequences or image SNR values.