What those chest compressions can do is force a fibrillating heart to keep circulating oxygenated blood until help arrives.

这些胸部按压能做的是迫使颤动的心脏保持含氧血液循环，直到救援到来。

He was asleep in his bed when he suddenly started to fibrillate.

- 当他突然开始纤颤时，他正在床上睡觉。

These un-synchronized, chaotic electrical signals cause the atria to quiver or fibrillate rather than contract.

这些不同步地杂乱电信号传导会导致心房颤动或纤颤，而不是收缩。

These un-synchronized, chaotic electrical signals cause the ventricles to quiver or fibrillate rather than contract.

这些不同步的杂乱电信号导致心室颤动或室颤，而不是收缩。