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Figure 7 Left and right heart cycle intervals before device implantation (white rectangles), during right (stippled rectangles), and biventricular pacing (grey rectangles). DFT = diastolic filling time; ET = ejection time; IVCT = isovolumic contraction time; IVRT = isovolumic relaxation time. Values are given in percent of cardiac cycle length. The p values are given in the following order: pre-operative versus right ventricular pacing (top), pre-operative versus biventricular pacing (middle), right ventricular pacing versus biventricular pacing (bottom). Data represent only patients in sinus rhythm.
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