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Abstract #1486

Self-Gated Fat-Suppressed Cardiac Cine MRI

R Reeve Ingle 1 , Juan M Santos 2 , William R Overall 2 , Bob S Hu 1,3 , and Dwight G Nishimura 1

1 Electrical Engineering, Stanford University, Stanford, California, United States, 2 HeartVista, Inc., Menlo Park, California, United States, 3 Palo Alto Medical Foundation, Palo Alto, California, United States

A technique for fat-suppressed self-gated cardiac cine imaging is demonstrated, which enables cardiac cine imaging without the need for external electrocardiogram (ECG) gating. Fat suppression is achieved using an alternating repetition time (ATR) balanced steady-state free precession (bSSFP) pulse sequence. By redesigning the slice-select rephaser gradients, one-dimensional projection navigators can be acquired during the unused short TR interval. Volunteer and patient results are presented and compared with ECG-gated ATR and bSSFP acquisitions.

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