Table 2.
Electrocardiographic analysis of non-infected and Trypanosoma cruzi-infected mice
| Experimental group | Heart rate (no. of beats/ minute) | PR interval (ms) | P-wave duration (ms) | QRS complex (ms) | QT interval (ms) | QTc |
|---|---|---|---|---|---|---|
| C56BL/6 NI (n = 5) | 508.0 ± 56.1 | 35.9 ± 1.3 | 12.1 ± 0.7 | 11.7 ± 1.2 | 22.2 ± 0.7 | 20.2 ± 1.4 |
| C57BL/6 150 dpi (n = 10) | 418.0 ± 42.1* | 55.5 ± 12.2* | 14.0 ± 2.3 | 9.7 ± 1.0 | 24.2 ± 5.1 | 20.2 ± 2.2 |
| pfp−/− NI (n = 5) | 432.0 ± 26.4 | 38.2 ± 6.4 | 11.8 ± 3.6 | 11.5 ± 1.8 | 30.8 ± 5.5 | 26.1 ± 2.7 |
| pfp−/− 150 dpi (n = 5) | 436.8 ± 96.4 | 34.6 ± 7.8† | 12.6 ± 3.2 | 9.9 ± 2.1 | 32.6 ± 1.7 | 27.9 ± 3.1 |
*
P< 0.05, infected vs. non-infected.
†
P < 0.01, wild-type infected vs. pfp−/− infected.
dpi, days postinfection.