The american college of emergency physicians is a professional group for doctors who work in hospital emergency departments . it says everyone should know the warning signs of a medical emergency 美国急诊医师协会是医院急诊部门的专业医生组织。该协会认为每个人都应该了解急诊的警示讯号。
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Sudden changes in speech or not being able to see clearly are two other reasons to seek emergency care . other warning signs include losing consciousness or becoming dizzy and weak 会话能力的忽然改变与视力的忽然下降是另外两种需要急诊的原因。其他警示讯号包含失去意识，或头昏，身体衰弱。
