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Abstract #3729

Combination of integrated slice-specific dynamic shimming and pixel-wise unwarping of residual EPI distortions

Alto Stemmer 1 and Berthold Kiefer 1

1 Healthcare, Siemens AG, Erlangen, Germany

The acquisition of a field map is integrated into a diffusion-weighted single shot EPI prototype sequence. The field information retrieved from the unwrapped and calibrated field map is used at run time for slice-specific center frequency update and gradient offset shimming and during the reconstruction for pixel-wise unwarping of remaining distortions.

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