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(a) No change in heart rate was seen at 6 or 24 h post-injection of LPS in normothermic mice. However, at their spontaneous temperature, endotoxic mice had a significantly lower heart rate. **p ≤ 0.01, ***p ≤ 0.001. (b) Mortality of mice subjected to systemic inflammation/saline and hypoxemia. Data are displayed as mean ± SEM.
