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Abstract #1886

B1-Insensitive T2-Preparation Sequence with Outer Volume Suppression and Fat Saturation

David Y. Zeng1, Jieying Luo1, Dwight G. Nishimura1, and Adam B. Kerr1

1Electrical Engineering, Stanford University, Stanford, CA, United States

A B1-insensitive T2-weighted preparation sequence with integrated fat saturation and outer volume suppression for localized cardiac imaging is proposed. The sequence is composed of a BIR-4 90° tip-down pulse, two spectral-spatial adiabatic refocusing pulses and a BIR-4 -90° tip-up pulse. Outer volume suppression is achieved by the spatial selectivity of the first refocusing pulse in x and spatial selectivity of the second refocusing pulse in y. Fat suppression is achieved by spectral selectivity of the refocusing pulses. Numerical simulation and phantom experiments verify the performance of the sequence.

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