Abstract #0386

Parallel Transmit Excitation Pulses for Shuttered Echo Planar Imaging

Zhipeng Cao^1,2, Xinqiang Yan^2,3, and William A. Grissom^1,2,3

¹Biomedical Engineering, Vanderbilt University, Nashville, TN, United States, ²Institute of Imaging Science, Vanderbilt University, Nashville, TN, United States, ³Radiology, Vanderbilt University, Nashville, TN, United States

A parallel transmission based shutter excitation is proposed for multishot EPI that overcomes its sensitivity to motion and dynamic phase changes between shots. The g-factor performance, flip angle error, and SAR are characterized as a function of the number of transmit coils, and compared to ideal single-channel excitation.

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