V2EX dromotropic

Dromotropic

释义 Definition

(心脏生理/药理)传导变时性的;影响心脏电传导速度的。常用于描述药物或神经调节对房室结等传导组织的传导速度影响(如 positive/negative dromotropic effect)。此外也可指与“传导变时性”相关的概念本身。

发音 Pronunciation (IPA)

/dromtrpk/

例句 Examples

A beta-blocker can have a negative dromotropic effect on the AV node.
β受体阻滞剂可能对房室结产生负性传导变时作用。

Because the drug slows conduction through the AV node, it reduces the risk of rapid ventricular response during atrial fibrillation by a negative dromotropic action.
由于该药物减慢房室结传导,它通过负性传导变时作用降低房颤时出现快速心室反应的风险。

词源 Etymology

来自希腊语构词:**dromo-**(与“跑道/路径、运行”相关,引申为“传导路径”)+ -tropic(“转向、影响……的”)。在心脏电生理语境中,指“对电信号在传导通路中传播速度的影响”。

相关词 Related Words

文学与经典著作中的用例 Literary & Notable Works

  • Braunwald’s Heart Disease: A Textbook of Cardiovascular Medicine(常在药理与电生理章节讨论正/负性 dromotropic 作用)
  • Guyton and Hall Textbook of Medical Physiology(心脏兴奋-传导与调节部分会出现该术语)
  • Katzung & Trevor’s Basic & Clinical Pharmacology(抗心律失常药与房室结传导效应中常用)
  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(描述药物对心肌传导与结点组织影响时使用)
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