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Figure 6


Figure 6 Example of the apex-to-base longitudinal deformation sequence of the subendocardial region of the left ventricular (LV) free wall. Onset of lengthening (arrows) occurs earlier in the apical segment and is delayed in the basal segments into the phase of isovolumic relaxation. Phase 1 = isovolumic contraction; 2 = ejection; 3 = isovolumic relaxation; 4 = early diastole; 5 = late diastole. Ao = aorta; ECG = electrocardiogram. LA = left atrium.





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