V2EX pulseless electrical activity

Pulseless Electrical Activity

释义 Definition

无脉电活动(PEA):一种严重的心脏骤停节律心电图上仍可见有组织的电活动,但触不到有效脉搏,说明心脏机械泵血功能失败,需要立即按心肺复苏(CPR)流程处理。该术语主要用于急救与重症医学语境。(也常与“asystole/心静止”等一起归入“不可电击节律”。)

发音 Pronunciation (IPA)

/pls.ls lk.tr.kl ktv..ti/

例句 Examples

The patient has pulseless electrical activitystart CPR now.
病人出现无脉电活动立刻开始心肺复苏。

Despite an organized rhythm on the monitor, he was in pulseless electrical activity due to severe hypovolemia, so the team treated the reversible causes while continuing high-quality compressions.
尽管监护仪上显示有组织的心律,他仍因严重低血容量而处于无脉电活动状态,因此团队在持续高质量胸外按压的同时处理可逆病因。

词源 Etymology

该短语由三部分组成:pulseless(无脉搏的,来自 pulse “脉搏” + 后缀 -less “没有”)、electrical(电的)、activity(活动)。合在一起字面意思就是“没有脉搏的电活动”,用于强调:电信号存在 ≠ 有效循环存在。在现代急救体系(如ACLS)中,这个术语用于指导“以复苏和寻找可逆病因为核心”的处理策略。

相关词 Related Words

文献与作品 Literary & Notable Works

  • Advanced Cardiovascular Life Support (ACLS) Provider Manual(美国心脏协会AHA):在心脏骤停算法中系统描述PEA的识别与处理。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》):在心脏骤停与休克相关章节中讨论PEA及常见可逆病因。
  • Tintinalli’s Emergency Medicine(《Tintinalli 急诊医学》):在急诊复苏章节中使用并解释“pulseless electrical activity”。
  • Oxford Handbook of Emergency Medicine(《牛津急诊医学手册》):在复苏流程中频繁出现该术语,用于床旁快速决策。
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