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Figure 6 Lateral Ea versus tau in two groups of points divided according to left atrial v wave pressure. The dashed line and open circles (y = 11– 0.08x, R2 = 0.75, p < 0.001) show the data where the left atrial v wave pressure was 
10 mm Hg. The solid line and solid circles (y = 9.3– 0.06x, R2 = 0.6, p < 0.001) show the relation where the pressure was <10 mm Hg. Ea = early diastolic annular velocity.