Fig. 2

Septal e′ versus s′ in all patients on day 1. The dashed blue line represents the linear relationship between septal e′ and s′ for patients with normal systolic and diastolic function (e′ = 0.96 s′ + 0.004, r ² = 0.0762, p < 0.001). The red dotted line represents the relationship between septal e′ and s′ for those with normal systolic function but abnormal diastolic function (e′ = 0.346 s′ + 0.0296, r ² = 0.34, p = 0.007). Those with normal systolic function but indeterminate diastolic function did not have a significant linear relationship (e′ = 0.0782 s′ + 0.049, r ² = 0.02, p = 0.628), but all patients had a septal e′/s′ ratio that was lower than the line of best fit for the normal systolic and normal diastolic function group. Those with abnormal systolic function had a much weaker linear relationship (e′ = 0.34 s′ + 0.03, r ² = 0.24, p = 0.04). e′/s′ Ratio of early diastolic to systolic myocardial tissue velocity