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Abstract #2546

A Preliminary Study of Self-Gated Rat Cardiac Imaging by Using Wideband MRI Technique

Yi-Hang Tung 1 , Yun-An Huang 2 , Edzer L. Wu 2 , Wan-Ting Zhao 2 , Tzi-Dar Chiueh 2 , and Jyh-Horng Chen 2

1 National Taiwan University, Taipei, Taiwan, Taiwan, 2 National Taiwan University, Taiwan, Taiwan

Non-invasive self-gated IntraGate FLASH sequence (IG-FALSH) was used to perform cardiac imaging by reducing motion artifacts. However, IG sequence requires large repetitions to reduce the motion artifact and hence was hard to examine high spatial or temporal resolution cardiac imaging. In this study, we demonstrate the capability of implementing W=2 acceleration Single Carrier Wideband MRI on IG-FLASH sequence. Moreover, by trading time reduction for higher spatial resolution, the fine structures such as valve, papillary muscles and chordae tendineae could be observed more clearly with this new technique.

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