It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.

已经确证，心收缩始于动作电位使。

Conclusions To keep the pneogaster from obstructing and improve the cerebral and cardial anoxia, tracheotomy or tracheal intubation in early ...

,应积预防和处理气管切开后的并发症。