Abstract #0933

BMART: B0 Mapping using Rewind Trajectories

Corey Allan Baron¹ and Dwight G. Nishimura¹

¹Electrical Engineering, Stanford University, Stanford, CA, United States

B₀ inhomogeneity leads to image artifacts and/or blurring. These issues can be addressed by using a B₀ map, which typically requires an extra scan. In addition to the longer total scan time required, motion occurring between the acquisition of the imaging data and B₀ map can lead to misregistration. The proposed method utilizes images reconstructed from rewind trajectories to construct a B₀ map. In pulse sequences that already use gradient rewinds (e.g., bSSFP), a B₀ map that is inherently registered to the imaging data can be created with no additional scan time.

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