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Figure 1 Mechanical Asynchrony in Diastolic Heart Failure Observed by Tissue Doppler Imaging
(A) An example of a patient with diastolic heart failure (ejection fraction 62%) who had evidence of diastolic asynchrony as illustrated by the scattered time to peak early diastolic velocity (arrowheads). The systolic asynchrony is relatively mild (arrows). (B) Another patient with diastolic heart failure (ejection fraction 55%) who had evidence of systolic asynchrony as illustrated by the scattered time to peak systolic velocity (arrows). This patient had no evidence of diastolic asynchrony (arrowheads).
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