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Abstract #0547

Designing K-Space Trajectories for Simultaneous Encoding with Linear and PatLoc Gradients

Daniel Gallichan1, Gerrit Schultz1, Jrgen Hennig1, Maxim Zaitsev1

1University Hospital Freiburg, Freiburg, Germany

Recent work has shown that MR imaging can be performed using non-linear encoding gradients (PatLoc). Here we investigate the possibilities of combining non-linear encoding gradients with simultaneous use of the conventional linear gradients. We introduce the concept of a 'local k-space' to compare trajectories, as well as presenting a combination of a split-radial 4D trajectory which is able to exploit the advantages of varying spatial resolution across the FoV whilst retaining control over the resolution in the centre.