1: A CWD of the LVOT, RVOT, MV or TV. The index
of myocardial performance compares mechanical systole
(A) to the ejection time period (B).
Alternatively, the ejection period for a mitral/tricuspid
regurgitant jet can be used for the ejection period
(B) since, for mitral/tricuspid regurgitation,
the ejection period and the mechanical systolic period
are the same. As the ejection time period converges
on the mechanical systolic period, the ejection force
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