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Figure 7 Assessment of the improvement in synchrony of left ventricular (LV) contraction with pacing. Regional volume time curves (left) obtained in a patient with LV dyssynchrony without (top) and with (bottom) biventricular pacing. Endocardial surfaces reconstructed from each data set are shown with segmentation and color coding according to regional time to end ejection (middle) along with the bull's-eye representation of the same data (right). Note the changes in colors with pacing reflecting the effects of resynchronization therapy in this parametric display. Ant = anterior; Ant-Sept = anteroseptal; EF = ejection fraction; Inf = inferior; Lat = lateral; Post = posterior; Sept = septal.
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