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Figure 7 Real-time three-dimensional full volume analysis of regional left ventricular function showing (top left) the reconstructed left ventricular cast and the bulls-eye display (bottom left) of the 16 segments. Changes in regional volume (color-matched) for each of the 16 segments is displayed in the upper right. The anteroseptal and septal segments (light blue and green) show poor function and significant delay in achieving a minimum volume compared to other segments. A first derivative display of the regional volume curves is shown in the lower right panel and also demonstrates significant dispersion in the timing of minimal regional volume (indicated by the zero crossing points).