V2EX digitoxin

Digitoxin

定义 Definition

Digitoxin(洋地黄毒苷)是一种从洋地黄(Digitalis)植物中提取的强心苷类药物,主要用于某些心力衰竭与心律失常的治疗(现临床使用较少,更多被地高辛等替代)。它通过增强心肌收缩力、影响心脏传导系统来发挥作用,但治疗窗窄,过量可致中毒。

发音 Pronunciation (IPA)

/ddtksn/

例句 Examples

The doctor prescribed digitoxin for his heart condition.
医生为他的心脏问题开了洋地黄毒苷。

Because digitoxin has a narrow therapeutic range, clinicians monitor for signs of toxicity such as nausea and irregular heartbeat.
由于洋地黄毒苷的治疗窗很窄,临床医生会监测恶心、心律不齐等中毒迹象。

词源 Etymology

digitoxin源自植物属名 Digitalis(洋地黄),该属植物长期用于传统与现代强心治疗;后缀 -toxin 与“毒素”相关,提示其强效且可能致毒的特性。整体词形体现了“来自洋地黄的强效(并可能有毒的)成分”这一概念。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(经典药理学教材中讨论强心苷时常出现)
  • Harrison’s Principles of Internal Medicine(内科学权威教材在心衰/心律失常与药物章节中提及)
  • The Merck Manual(默克手册在药物与中毒相关条目中出现)
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