Table 2.

Baseline ECG parameters in conscious mice

ParameterSham (n = 7)HF (n = 5)
DayNightDayNight
RR (ms) 120 ± 10.58 108 ± 10.58a 123 ± 11.18 106 ± 6.71a 
PR (ms) 38 ± 1.32 36 ± 1.06 41 ± 3.58b 37 ± 3.58 
QRS (ms) 8.6 ± 0.45 8.7 ± 0.32 9.0 ± 0.67 9.0 ± 0.71 
QT (ms) 42 ± 1.32 41 ± 1.32 51 ± 7.15b 47 ± 6.26 

Two-way repeated ANOVA followed by Bonferroni test was used. All the values are mean ± SD.

a

P < 0.05 versus the same group in the day period.

b

P < 0.05 versus sham in the same period.

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