V2EX lusitropic

Lusitropic

释义 Definition

Lusitropic(舒张性的/促舒张的):主要用于心脏生理与药理学,指影响心肌舒张(尤其是舒张期松弛速度与程度)的作用或性质。常见搭配如 lusitropic effect(舒张效应)或 lusitropic agent(促舒张药物)。
(注:与之相关的名词是 lusitropy,指心肌舒张能力/舒张特性。)

发音 Pronunciation (IPA)

/lustrpk/

例句 Examples

Beta-agonists can have a lusitropic effect on the heart.
β受体激动剂可能对心脏产生促舒张(加快松弛)的作用。

By enhancing calcium reuptake into the sarcoplasmic reticulum, the drug improves lusitropic function and reduces diastolic filling pressures in some patients.
通过增强肌浆网对钙离子的回收,这种药物可改善心肌舒张功能,并在部分患者中降低舒张期充盈压。

词源 Etymology

lusitropic 源自现代医学构词:lusi- 与“放松/松弛(relaxation)”相关,**-tropic** 来自希腊语 tropos(“转向、影响、作用于”),合起来表示“对(心肌)松弛/舒张产生作用的”。该词常与 inotropic(变力性,影响收缩力)并列,用于区分对心脏收缩与舒张的不同影响。

相关词 Related Words

文献与作品 Notable Works

  • Braunwald’s Heart Disease: A Textbook of Cardiovascular Medicine(常在讨论心肌收缩/舒张调控、药物作用时出现相关术语)
  • Guyton and Hall Textbook of Medical Physiology(心脏泵血与舒张功能章节中常涉及“舒张性/松弛”概念与相关表述)
  • Berne & Levy Physiology(心血管生理部分常讨论影响舒张的机制与术语)
  • 期刊论文中常见于讨论“lusitropic effects”的研究(如磷酸二酯酶抑制剂、β受体激动剂、钙处理机制等对舒张的影响)
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