Table 2 Mean ± SEM values of latencies of cardiorespiratory (CVR) responses after instillation of different concentrations of histamine.

From: Ipsilateral somatic nerves mediate histamine-induced vasosensory reflex responses involving perivascular afferents in rat models

Concentrations of histamine

Mean ± SEM latencies of CVR responses (s)

RF

MAP

HR

1 mM

3.17 ± 0.31

7.00 ± 0.37

4.50 ± 0.22

10 mM

2.33 ± 0.21

7.33 ± 0.33

3.67 ± 0.21

100 mM

4.17 ± 0.31

7.33 ± 0.42

3.17 ± 0.48

  1. RF respiratory frequency, MAP mean arterial pressure; HR heart rate. The latencies of MAP responses are significantly different as compared with the RF and HR responses for all concentrations of histamine [P < 0.05, Unpaired t-test].
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