V2EX fio2

FIO2

释义 Definition

FiOfraction of inspired oxygen)指吸入氧浓度/吸入氧分数:病人吸入气体中氧气所占的比例。常用于呼吸治疗与重症监护中,通常以小数或百分比表示(如 **0.21 = 21%**,约等于室内空气氧浓度)。

发音 Pronunciation (IPA)

/f a o tu/

例句 Examples

The patient is on an FiO of 0.40.
病人的吸入氧浓度(FiO)为0.40(40%)。

Despite increasing FiO, his oxygen saturation remained low, so the team considered mechanical ventilation.
尽管提高了FiO,他的血氧饱和度仍然偏低,因此团队考虑使用机械通气。

词源 Etymology

FiO是医学缩写,来自英文短语 fraction of inspired oxygen

  • fraction 表示“比例/分数”
  • inspired 在医学语境中指“吸入的”
  • oxygen 即“氧气”
    下标 表示氧分子 O。

相关词 Related Words

文学与经典作品 Literary Works

  • The ICU Book(重症医学经典教材)常用 FiO 讨论氧合与呼吸支持参数
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)在呼吸衰竭与氧疗章节中出现 FiO
  • Oxford Handbook of Critical Care(《牛津重症监护手册》)在通气设置与氧疗策略中频繁使用 FiO
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