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. Author manuscript; available in PMC: 2008 May 26.
Published in final edited form as: Magn Reson Med. 2004 Jul;52(1):123–130. doi: 10.1002/mrm.20126

FIG. 4.

FIG. 4

Contour plots of TR (a, c, and e) and efficiency (b, d, and f) for multi-echo SSFP imaging, plotted as functions of maximum gradient strength and slew rate, for the three-echo normal-resolution (a and b), three-echo low-resolution (c and d), and five-echo low-resolution (e and f) scenarios. The dashed line in each case is the “optimum” operating point, which we calculated for a given slew rate by determining the maximum gradient strength at which further increases in gradient strength no longer improved speed performance or efficiency. The small square drawn in each graph indicates the operating point of most modern scanners (40 mT/m, 150 mT/m/ms).