First aid requires rapid assessment of victims to decide whether life-threatening conditions exist.

急救时需要对罹难者病情进行快速评估，以确定是否存在危及生命的情况。

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The advice covers all life-threatening conditions, including heart failure, brain damage, cancer, dementia, as well as patients in a permanent vegetative state.

该项指导意见涵盖所有对生命有威胁的情况，包括心脏衰竭、脑坏死、癌症、老年痴呆症和永久性的植物人等。

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Perhaps the most terrifying part of the ailment is that its symptoms mimic stroke and other life-threatening conditions.

也许在这个小症状当中最可怕的部分是在于这样的症状很有可能是轻微中风的表现，或者是其他一些危及生命情况的前兆。

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If that proves true, it would help thousands of people who are seeking to prevent life-threatening conditions.

VOA: special.2009.10.20

But it said the requirement only related to patients in life threatening conditions - who make up a fifth of 999 calls to the trust.

BBC: East of England Ambulance Service NHS Trust ambulance

The drug is approved for a number of conditions, particularly diseases of the immune system, and many patients who use it have life-threatening conditions.

WSJ: Immune-Disorder Drug Shows Promise for Alzheimer's

The charity currently supports 640 children, most of whom have long-term and life-threatening conditions, often requiring 24-hour care.

BBC: Acorns Children's Hospice plans ?4.2m care boost