V2EX hematocrit

Hematocrit

发音 Pronunciation

/hmtkrt/

释义 Definition

血细胞比容(也称红细胞压积),指血液中红细胞所占的体积百分比。这是一项重要的血液检测指标,用于评估贫血、脱水等健康状况。

例句 Examples

The doctor ordered a hematocrit test to check for anemia.
医生要求做一项血细胞比容检测来检查是否贫血。

After living at high altitude for several months, his hematocrit level rose significantly as his body adapted by producing more red blood cells.
在高海拔地区生活了几个月后,他的血细胞比容水平显著升高,因为身体通过产生更多的红细胞来适应环境。

词源 Etymology

该词源于希腊语,由 **hemato-**(来自希腊语 haima,意为"血液")和 -krit(来自希腊语 krites,意为"判断、分离")组成。字面意思是"分离血液",反映了该检测通过离心机将血液成分分离来测量红细胞比例的过程。该词最早于20世纪初进入英语医学术语体系。

相关词汇 Related Words

文学与学术引用 Literary & Academic References

由于 hematocrit 是一个专业医学术语,它较少出现在文学作品中,但在以下类型的作品中常见:

  • 阿图尔葛文德(Atul Gawande)的医学随笔集《Complications: A Surgeon's Notes on an Imperfect Science》中多次提及血液指标,包括血细胞比容。
  • 在奥利弗萨克斯(Oliver Sacks)的医学叙事作品中,该词作为临床检查的常用指标出现。
  • 在运动医学和反兴奋剂领域的文献中,hematocrit 是检测血液兴奋剂(如EPO)滥用的关键指标,国际自行车联盟(UCI)曾以50%的血细胞比容上限作为禁赛标准。
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