Abstract
Both long examination times and long acquisition times have been considered significant disadvantages in the routine clinical application of MRI. Since 1985 several so-called fast-imaging pulse sequences have been developed. A number of these pulse sequences, like fast low-angle shot imaging (FLASH) and fast imaging with steady precession (FISP), are based on a steady state, using very short repetition times (TR), very short echo times (TE) produced by gradient echos, and variable flip angles (Oppelt et al. 1986; Weber et al. 1986; Frahm et al. 1986; Mills et al. 1987; Matthaei et al. 1986; Weber and Deimling 1987; Krestin et al. 1986).
This study was supported by the Deutsche Krebshilfe e.V.
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Heywang, S.H., Koebrunner, G., Bauer, M.W. (1989). Analysis of the Signal Intensity of FLASH and FISP Fast-Imaging Pulse Sequences. In: Baert, A.L., Boijsen, E., Fuchs, W.A., Heuck, F.H.W. (eds) Frontiers in European Radiology. Frontiers in European Radiology, vol 6. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74233-0_2
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