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Fig. 2 | International Journal of Arrhythmia

Fig. 2

From: Relationship between right ventricular pacing and non-sustained ventricular arrhythmias in patients with dual-chamber pacemaker and normal range left ventricular ejection fraction

Fig. 2

Relationship between right ventricular pacing and premature ventricular contractions. a Bar graph depicting the relationship between right ventricular pacing (RVP)% (x axis) and premature ventricular contraction (PVC) runs of 2–4 beats/h (y axis). Note that patients with intermittent RVP (1–99.9%) had the highest burden of PVC runs which was significantly higher when compared to patients with < 1% (p = 0.04) and 100% RVP (p = 0.01). b Line graph depicting the relationship between PVC runs of 2–4 beats/h (blue line; y-axis on the right) and RVP% (orange line; y-axis on the left) for all the studied patients (x-axis) aligned from left to right in increasing order of RVP%. Note the low burden of PVC runs (blue line) with < 1% (patients 1–21 on x-axis) and 100% RVP (patients > 91 on x-axis). Intermittent RVP (1–99.9%; patients between 21 and 91 on x-axis) dramatically increases the burden of PVC runs (blue line). c Bar graph depicting the relationship between RVP% (x-axis) and isolated PVCs/h (y-axis). Note that patients with intermittent RVP (0.1–99.9%) had the highest isolated PVC burden which was significantly higher when compared to patients with < 0.1% (p = 0.006) and 100% RVP (p = 0.0006). d Line graph depicting the relationship between isolated PVCs/h (blue line; y-axis on the right) and RVP% (orange line; y-axis on the left) for all the studied patients (x-axis) aligned from left to right in increasing order of RVP%. Note the low burden of PVCs (blue line) with < 0.1% (patients 1–21 on x-axis) and 100% RVP (patients > 91 on x-axis). Intermittent RVP (0.1–99.9%; patients between 21 and 91 on x-axis) dramatically increases the burden of isolated PVCs

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