You can be brought back from what we call clinical death, but you only have a grace period of about 4-6 minutes.
你可以从我们的召唤中恢复过来 临床死亡，但你只有一个恩典约4-6分钟。
《卫报》（文章版）
In a medical setting, " clinical death" is said to occur at the moment the heart stops pumping blood, and the pulse stops.
在医疗环境中，当心脏停止泵血且脉搏停止时，就会被称为“临床死亡”。
中文百科
临床死亡
临床死亡是一个医学术语，指心跳、呼吸停止。
心跳停止的5至8分钟，又可称临床死亡期，人体仍可复苏。之后，人体进入生物学死亡期，人体无法被复苏。
英语百科
Clinical death 临床死亡
Clinical death is the medical term for cessation of blood circulation and breathing, the two necessary criteria to sustain human and many other organisms' lives. It occurs when the heart stops beating in a regular rhythm, a condition called cardiac arrest. The term is also sometimes used in resuscitation research.