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Table 1 Echocardiographic Measurements before Initiation of Pacing and During Pacing in Wildtype C57BL/6J Mice

From: Short-term pacing in the mouse alters cardiac expression of connexin43

 

Pre-Pacing (n = 6)

During Pacing (n = 6)

IDD, mm

3.8 ± 0.14

3.6 ± 0.08

IDS, mm

2.1 ± 0.10

2.2 ± 0.12

Fractional Shortening, %

44.2 ± 2.0

37.2 ± 2.8*

AWTs, mm

1.1 ± 0.14

0.85 ± 0.08

AWTd, mm

0.53 ± 0.09

0.47 ± 0.05

PWTs, mm

1.4 ± 0.14

1.2 ± 0.10

PWTd, mm

1.0 ± 0.11

0.85 ± 0.13

  1. Data is presented as group means ± SEM. Comparisons between groups were performed with unpaired T-tests. *, p < 0.05. IDD, IDS, intraventricular dimensions at end-diastole, end-systole; AWTs, AWTd, anterior wall thicknesses at end-systole, end-diastole; PWTs, PWTd, posterior wall thicknesses at end-systole, end-diastole.