V2EX hematocrit

Hematocrit

定义 Definition

hematocrit(红细胞比容/血细胞比容):指血液中红细胞所占的体积分数,常以百分比(%)表示,用于评估贫血、脱水、出血或某些血液疾病等情况。(在更广义用法中也可指“血细胞比容测定/离心管”等,但最常见的是这个检验指标。)

例句 Examples

My hematocrit is a little low, so the doctor ordered more tests.
我的红细胞比容有点低,所以医生安排了更多检查。

After several days of dehydration, his hematocrit rose, which suggested his blood had become more concentrated.
脱水了好几天后,他的红细胞比容升高,这提示他的血液变得更浓缩了。

发音 Pronunciation

/himtkrt/

词源 Etymology

来自希腊语词根组合:haima(血)+ kritēs/krinein(分离、判断)。该词最初与用离心等方法把血液成分“分开”并测量有关,后来固定为“红细胞比容”这一临床指标名称。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Harrison’s Principles of Internal Medicine(《哈里森内科学》)
  • Williams Hematology(《威廉姆斯血液学》)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • 世界卫生组织(WHO)及临床检验学相关指南与论文中常见该术语(用于血常规与贫血评估相关讨论)
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