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Abstract #0386

Parallel Transmit Excitation Pulses for Shuttered Echo Planar Imaging

Zhipeng Cao1,2, Xinqiang Yan2,3, and William A. Grissom1,2,3

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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