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Figure 3 Alterations in LV end-systolic pressure (LVESP) (A), LV end-diastolic volume (LVEDV) (B), and cycle efficiency (CE), an index of LV synchrony (C) during AAI and alternate site ventricular pacing. *p < 0.05 versus EF  40%,  p < 0.05 versus AAI,  p < 0.05 versus RVA (RM ANOVA, Dunnet’s comparison),  p < 0.05 versus RVS, ||p < 0.05 versus RVF (2-way RM ANOVA, Student-Neuman-Keuls comparison). Other abbreviations as in Figures 1 and 2.
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