Meeting Banner
Abstract #2616

Comparison of EPI and Double Angle B1 Maps at 7T

Douglas Kelley1, Esin Ozturk-Isik2, Janine Lupo2

1Applied Science Laboratory, GE Healthcare, San Francisco, CA, USA; 2Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, USA

While the double angle method is conceptually the simplest B1 mapping technique, saturation effects force long acquisition times at 7T. Comparison to an unsaturated EPI method in phantoms and volunteers provides a means to assess the saturation effects and establish a minimum acquisition time.