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Figure 2 Relationships between E' and Total, Nonpulsatile, and Early/Proximal Arterial Load
The tissue Doppler echocardiography early-diastolic velocity (E') varies inversely with mean (systemic vascular resistance index [SVRI]), net (arterial elastance [Ea]), and early (characteristic impedance [Zc]) left ventricular afterload, as well as aortic stiffness (carotid-femoral pulse wave velocity [PWV]). Dotted lines show 95% confidence bands for the regression slopes.
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