MB leads little changes of hemodynamics due to inhibit cardiac sympathicotonia and pneumogastric nerve simultaneity, but TEB brings the evident changes due to only inhibit pneumogastric nerve.


滞与


滞相比,


滞抑制交感
经,引起明显血流动力学变化,而

滞同时抑制心交感和心迷走
经,不引起明显血流动力学变化。
经的


