Susceptibility‐induced distortion correction in hyperpolarized echo planar imaging

摘要

PurposeEcho planar imaging is an attractive rapid imaging readout that can image hyperpolarized compounds in vivo. By alternating the sign of the phase encoding gradient waveform, spatial offsets arising from uncertain frequency shifts can be determined. We show here that blip‐reversed echo planar imaging can also be used to correct for susceptibility and B 0 inhomogeneity effects that would otherwise produce image‐domain distortion in the heart.