V2EX capnography

Capnography

Definition / 定义

capnography(呼气末二氧化碳波形监测/呼气二氧化碳监测):一种通过持续测量并记录呼出气体中二氧化碳(CO)浓度随时间变化的波形(capnogram)来评估通气状况的监测方法,常用于麻醉、急救与重症监护中(例如确认气管插管位置、评估通气/循环变化)。

Pronunciation / 发音

/kpnrfi/

Examples / 例句

Capnography helps confirm that the breathing tube is in the trachea.
呼气二氧化碳波形监测有助于确认气管导管是否置于气管内。

During sedation, continuous capnography can detect early hypoventilation before oxygen saturation drops.
在镇静过程中,持续的呼气二氧化碳波形监测可在血氧饱和度下降之前更早发现低通气。

Etymology / 词源

词由 **capno-**(源自希腊语 kapnós,意为“烟/蒸气”,在医学词汇中引申为“二氧化碳、呼气气体”相关)+ -graphy(“记录/描记”)组成,字面意思是“对(呼气)二氧化碳的记录/描记”。

Related Words / 相关词汇

Literary Works / 文学作品举例

  • Miller’s Anesthesia(麻醉学权威教材中常讨论 capnography 的临床用途与波形解读)
  • Oxford Handbook of Anaesthesia(在围术期监测章节中包含 capnography 相关内容)
  • Clinical Anesthesia(如 Barash 等编写的教材,涉及 capnography 用于通气监测与插管确认)
  • Advanced Cardiac Life Support (ACLS) Provider Manual(复苏与气道管理部分常提及 capnography/ETCO 监测)
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