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Abstract #3386

Cardiac B1+ Shimming using ZTE Transmit Phase Mapping

Rolf F Schulte1, Haonan Wang2, Anja CS Brau3, and Martin A Janich1

1GE Healthcare, Munich, Germany, 2GE Healthcare, Milwaukee, WI, United States, 3GE Healthcare, Menlo Park, CA, United States

Two different transmit B1+ mapping techniques were implemented and investigated for cardiac B1+ shimming at 3T: (1) 2D cardiac-triggered spiral-Bloch-Siegert B1+ mapping; (2) 3D Zero-Echo-Time (ZTE) B1+ phase mapping. B1+ homogeneity was optimised and performance assessed by evaluating the cardiac black-blood fast spin-echo sequence performance in healthy volunteers.

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