Table 3.
ECG parameters and effective refractory periods (ERPs) of the study groups.
| Control | MS | EMPA | GLI | |
|---|---|---|---|---|
| QRS wave duration (ms) | 24.27 ± 2.04 | 23.73 ± 2.55 | 22.13 ± 2.24 | 23.33 ± 3.83 |
| RR interval (ms) | 144.06 ± 14.87 | 146.67 ± 21.05 | 140.40 ± 23.18 | 142.73 ± 17.91 |
| QT interval (ms) | 53.66 ± 2.32 | 57.06 ± 3.43 | 50.00 ± 2.62 # | 56.87 ± 4.04 |
| QTc interval (ms) | 142.29 ± 9.58 | 149.47 ± 8.25 | 134.15 ± 6.72 | 150.86 ± 9.47 |
| ERP of right ventricle (ms) | 35.00 ± 10.00 | 40.00 ± 14.14 | 47.50 ± 5.00 | 48.00 ± 13.04 |
| ERP of left ventricle (ms) | 35.00 ± 10.00 | 38.00 ± 4.47 | 20.00 ± 10.00 | 60.00 ± 10.00 † |
| Induced VT/VF mice | 1 | 0 | 1 | 1 |
QTc: corrected QT interval; ERP: effective refractory period; VT: ventricular tachycardia; VF: ventricular fibrillation; #: p < 0.05 compared with the MS group; †: p < 0.05 compared with the EMPA group.