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Figure 4 Post-Ectopic Blood Pressure and R-R Interval Changes in LV Dysfunction
Profiles of R-R intervals, systolic arterial blood pressure (SBP), stroke volume (SV), and peripheral vascular resistance (PVR) after VPCs in patients with left ventricular (LV) dysfunction. Symbols and layout as in Figure 3. Note the post-extrasystolic potentiation of SBP after VPC with subsequent mechanical and electrical alternans. Modified, with permission, from Wichterle et al. (17). Abbreviations as in Figure 1.
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