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Figure 6 Comparison of Peak Longitudinal Early Diastolic Velocity With Peak Early Diastolic Untwisting Velocity

Early diastolic velocity >–5 cm/s and/or early diastolic apical untwisting velocity –50°/s separated the patients with CP and RCM with overlapping values seen in only 1 patient with CP. This finding provides a rationale for combining longitudinal early diastolic velocities with rotational untwisting velocities for differentiating the 2 disparate patterns of diastolic restoration mechanics seen in CP and RCM. Abbreviations as in Figure 1.