V2EX diastolic

Diastolic

释义 Definition

形容词(医学术语)舒张的,舒张期的。指心脏在两次收缩之间舒张放松时的状态,常用于描述血压中的低值(舒张压)。

发音 Pronunciation

/da.stl.k/

例句 Examples

The doctor said my diastolic pressure is normal.
医生说我的舒张压是正常的。

A consistently elevated diastolic reading above 90 mmHg may indicate the early stages of hypertension, which requires further monitoring and lifestyle adjustments.
舒张压持续高于90毫米汞柱,可能表明高血压的早期阶段,需要进一步监测并调整生活方式。

词源 Etymology

该词源自希腊语 diastolē(διαστολ),意为"扩张、分开",由 dia-(分开)和 stellein(放置、送出)组成。在古希腊医学中,这个词被用来描述心脏舒张放松的过程,与 systolic(收缩的)相对。17世纪进入英语后,主要用于医学领域,特别是在描述血压时,diastolic 指心脏舒张时动脉中的压力值。

相关词汇 Related Words

文学与著作引用 Literary References

  • 在阿图尔葛文德(Atul Gawande)的 Being Mortal(《最好的告别》)中,讨论老年人健康指标时多次提到舒张压的概念。
  • 在奥利弗萨克斯(Oliver Sacks)的 The Man Who Mistook His Wife for a Hat(《错把妻子当帽子的人》)中,涉及神经与心血管系统的讨论中出现了该术语。
  • 在医学经典教材 Guyton and Hall Textbook of Medical Physiology 中,diastolic 是阐释心脏周期和血压机制的核心术语之一。
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