V2EX fascicular block

Fascicular Block

释义 Definition

束支分支传导阻滞(分支束阻滞):指心室内传导系统中某一条分支纤维束(fascicle)发生传导延迟或阻断,常见于左束支的前分支或后分支(临床上也常称为 hemiblock)。心电图上可表现为电轴偏移等特征。

发音 Pronunciation (IPA)

/fskjlr blk/

例句 Examples

The ECG shows a left anterior fascicular block.
心电图显示左前分支传导阻滞。

In patients with chest pain, a new fascicular block on ECG may suggest underlying conduction system disease and should be interpreted alongside symptoms and cardiac markers.
在胸痛患者中,心电图出现新的分支束阻滞可能提示传导系统病变,应结合症状与心肌标志物综合判断。

词源 Etymology

fascicular 来自拉丁语词根 fasciculus,意为“小束、束状结构”(fascis“束” 的指小形式);在解剖与生理学中常指“神经/纤维的分束”。block 在医学语境中指“阻滞、阻断”。合起来即“某一纤维束分支的传导被阻断”。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Marriott’s Practical Electrocardiography(心电图学经典教材,涉及分支束阻滞判读)
  • Braunwald’s Heart Disease(《布劳恩瓦尔德心脏病学》,讨论传导系统疾病与心电图表现)
  • Goldman-Cecil Medicine(《戈德曼-塞西尔内科学》,内科总论中包含心律与传导异常内容)
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