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Figure 7 Cumulative histograms of midwall external work in the LV wall. For each experiment values from all 192 sites of the LV were normalized to the mean value during RA pacing (=1). Presented are the mean curved from the seven experiments. Thin horizontal lines indicate SD of the 0.1 through 0.9 values during each mode of pacing. Solid line = RA pacing, dotted line = RVapex pacing and broken line = LVbase pacing. *p < 0.05 as compared with RA pacing, #p < 0.05 between RVapex and LVbase pacing.
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