translation.en: You could, if you want, compare this to, on the one hand, a myocardial infarction, a heart attack, where you have dead tissue in the heart, versus an arrhythmia, where the organ simply isn't functioning because of the communication problems within it.
translation.zh: 你可以这样，如果一定要比较的话， 那就想象心肌梗塞、突发性心脏病， 是由于心脏中坏死组织所致， 还有心律失常、心脏运行不正常， 是由于其内部的输导功能出了问题。