Reduced eddy current induced artifact in 7T single shot diffusion weighted echo planar imaging

DWI sequences based on single-shot EPI have an additional source of N/2 ghosting artifacts that are associated with B0 field perturbations resulting from diffusion gradient-induced eddy currents. Hence, diffusion gradient-induced phase error must be considered in DWI. In this study, we investigate the impact of navigator echo acquisition locations. In addition, the effect of a dummy diffusion gradient is investigated as an alternative method reduces eddy current.

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