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Abstract #4428

Fast 3D B1 Mapping with Single-Shot EPI

Jay Moore1,2, Marcin Jankiewicz1,3, Adam W. Anderson1,4, John C. Gore1,4

1Institute of Imaging Science, Vanderbilt University, Nashville, TN, United States; 2Department of Physics & Astronomy, Vanderbilt University, Nashville, TN, United States; 3Department of Radiology & Radiological Sciences, Vanderbilt University; 4Department of Biomedical Engineering, Vanderbilt University

A workflow is demonstrated for B1 mapping using a multi flip-angle fitting technique in conjunction with a single-shot EPI read-out. Resulting field maps are shown to differ minimally when compared to the same measurements made with a low EPI factor. With the protocol presented here, all necessary measurements for whole-brain mapping are acquired in less than 2 minutes.