[交感神经系统在迷走神经爆发性刺激期间对心律调节的作用]
[Effect of the sympathetic nervous system in regulating heart rhythm during burst stimulation of the vagus nerve].
作者信息
Pokrovskiĭ V M, Sukach L I
出版信息
Biull Eksp Biol Med. 1985 Mar;99(3):274-7.
PMID:3986329
Abstract
In cat experiments, the right inferior cardiac nerve was stimulated at a frequency of 2 and 4 Hz and the right vagus by bursts of 1, 2, 4, 8 and 16 impulses. Stimulation of the inferior cardiac nerve shifted the ranges of the heart rate control up the frequency scale. The shift of the range boundaries was mainly determined by the intensity of sympathetic regulation and by the number of impulses in a burst which stimulates the vagus nerve.
摘要
在猫实验中，以2赫兹和4赫兹的频率刺激右下心神经，并通过1、2、4、8和16次冲动的阵发放电刺激右迷走神经。刺激下心神经使心率控制范围在频率尺度上向上移动。范围边界的移动主要由交感神经调节的强度以及刺激迷走神经的阵发放电中的冲动数量决定。
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