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Figure 11 Two Representative Phase Histograms From Patients With Left Ventricular Ejection Fraction 35%

For each, the left panel is a polar map representing the phase values around the left ventricle, and the right panel is a histogram of phase values. (B) Histogram shows a higher level of dyssynchrony as evidenced by a broader and less peaked phase histogram than seen in panel A. Data from Trimble et al. (27).