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Figure 5 Comparison of symptomatic or asymptomatic atrial fibrillation (AF) events meeting high rate atrial (HRA) event detection criteria in the dual-site right atrial (RA) pacing or high RA pacing arms of the study. Data are presented as mean values per day. A significant reduction in mean event frequency is observed for both AF end points in dual-site RA pacing arm as compared with the high RA pacing arm, suggesting benefit with respect to both symptomatic and symptomatic AF. MS = made switch.
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