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Table 1 Results of Objective Measures of LV Function

From: Left ventricular function by echocardiography correlates poorly with cardiac MRI measures in Duchenne muscular dystrophy

Measures of LV Function

Mean ± SD

N

Echocardiographic Measures

M-mode FS

24.5 ± 6.1

12

2-Dimensional FS

27.6 ± 3.9

7

Biplane LVEF

52.1 ± 8.1

4

4 chamber LVEF

44 ± 12.2

7

3-Dimensional LVEF

36.2 ± 13.3

5

εcc

-16.5 ± 4.4

8

CMR Measures

LVEF

47.4 ± 8.9

12

εcc

-12.9 ± 3.5

12

  1. LV (left ventricular) SD (standard deviation) FS (fractional shortening) LVEF (left ventricular ejection fraction) εcc (peak circumferential strain)