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Table 2 Markers of deformation heterogeneity and dyssynergy (mean +/- SD) and Bonferroni-corrected p-value. CVeS: coefficient of variation of end-systolic strain values; VSR: virtual shortening reserve; ESR: early shortening reserve; ISF: internal strain fraction during the ejection period.

From: Three-dimensional mapping of mechanical activation patterns, contractile dyssynchrony and dyscoordination by two-dimensional strain echocardiography: Rationale and design of a novel software toolbox

Group

CVeS (%)

VSR (%)

ESR (%)

ISF (%)

NL

-16.4 ± 4.4

4.8 ± 2.4

1.8 ± 2.2

3.9 ± 1.8

WPW

-24.3 ± 7.1

8.4 ± 3.5

3.4 ± 3.5

6.2 ± 3.2

LBBB

-124.4 ± 60.5 #

46.3 ± 13.3 #

37.0 ± 15.0 #

47.9 ± 19.1 #

  1. CVeS: coefficient of variation of end-systolic strain values; VSR: virtual shortening reserve; ESR: early shortening reserve; ISF: internal strain fraction during the ejection period.
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Cardiovascular Ultrasound

ISSN: 1476-7120

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