V2EX alpha blocker

Alpha Blocker

定义 Definition

α受体阻滞剂(α阻断药):一类通过阻断体内α-肾上腺素能受体(alpha-adrenergic receptors)而起作用的药物。常见用途包括降低血压缓解前列腺增生(BPH)引起的排尿困难,以及在某些情况下用于处理与儿茶酚胺相关的高血压(如嗜铬细胞瘤)。在不同受体亚型上也有区分(如更偏向α1受体的药物)。

发音 Pronunciation (IPA)

/lf blkr/

例句 Examples

The doctor prescribed an alpha blocker to help him urinate more easily.
医生开了α受体阻滞剂,帮助他更顺畅地排尿。

Because alpha blockers can cause dizziness when standing up, she was advised to rise slowly and monitor her blood pressure.
由于α受体阻滞剂可能引起起立时头晕(体位性低血压),医生建议她起身放慢并监测血压。

词源 Etymology

alpha 来自希腊字母 α(alpha),在生理学与药理学中常用来标记“α型受体”;blocker 源于 block(阻挡、阻断),表示“阻断某种作用的物质”。合起来 alpha blocker/strong> 字面意思就是“阻断α受体作用的药物”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Goodman & Gilman’s The Pharmacological Basis of Therapeutics(《古德曼&吉尔曼:治疗学的药理学基础》)
  • Katzung & Trevor’s Basic & Clinical Pharmacology(《卡茨UNG:基础与临床药理学》)
  • Harrison’s Principles of Internal Medicine(《哈里森内科学原理》)
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