The mechanism of circulation in open-chest cardiac massage in apparently superior to that in closed—chestcompression.
开胸心脏按压的血流机制明显优于胸外心脏按压。
2
New data show that when bystanders without emergency medical training try CPR using only chestcompression, the results can be better than if they also attempt mouth-to-mouth.
最新资料显示，当未经训练的路人仅实施心肺复苏（CPR）的胸腔按压部分，好过人工呼吸。
3
The most common symptoms are chest pain, cough, and dyspnea caused by compression or invasion of contiguous structures.