不同类型的脑卒中丨医学英语视听学习

文摘   2024-07-23 15:00   河南  


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Different Types of Stroke

不同类型的脑卒中


A stroke is a disease affecting the brain's arteries and occurs when blood flow to the brain is interrupted, either due to a blockage or a ruptured blood vessel.

卒中是大脑血流因阻塞或血管破裂而中断导致的一种影响大脑动脉的疾病。


A stroke caused by a blood clot is called an ischemic stroke. In everyday life, blood clotting is beneficial. When there's bleeding, platelets immediately rush to the damaged blood vessel, ready to take action. 

血栓引发的卒中是缺血性卒中。在日常生活中,凝血是一种有益的生理现象。当我们流血时,血小板会立即涌向受损的血管,时刻待命,发挥作用。


Once they reach the site of injury, the platelets undergo a transformation. Activated platelets sprout tiny tentacles, much like an octopus's, and latch onto the damaged area. These tentacles then start to weave together, forming a mesh-like structure that traps blood cells and eventually forms a clot that stops the bleeding.  

血小板到达损伤部位后,立即发生转变。活化的血小板长出微小的触手,这种触手类似于章鱼的触手,使血小板附着在损伤部位。然后,这些触手开始交织,形成网状结构,从而收集血细胞,最终形成具有止血作用的血凝块。


In the case of a stroke, however, blood clots are dangerous as they can obstruct arteries.

然而,在发生卒中的情况下,血凝块很危险,因为它们会阻塞动脉。


There are two ways an ischemic stroke can occur:  

缺血性卒中有两种:


  • embolic strokes occur when a blood clot forms somewhere in the body and travels through the bloodstream, eventually becoming lodged in one of the smaller blood vessels of your brain. 

  •  栓塞性卒中【embolic strokes】,即身体某个部位形成血栓,血栓随着血流移动,最终卡在大脑的某条较小的血管内。


The name 'embolic stroke' comes from the word 'embolus,'  which refers to a blood clot that travels through the bloodstream.

术语“embolic strokes”来源于单词“embolus【栓子】”,它指随血流移动的血栓。


  • The second kind of ischemic stroke is a thrombotic stroke

  • 第二种缺血性卒中是血栓性脑卒中【thrombotic stroke】。


As the blood flows through the arteries, it may leave behind cholesterol 'plaques' that stick to the inner wall of the artery. Over time, these plaques can narrow the artery and prevent blood from passing through.  

血液流经动脉时,胆固醇“斑块”可能沉积在动脉壁上。随着时间的推移,这些斑块将使动脉变得狭窄,阻止血液通过。


The name 'thrombotic stroke' comes from the word  'thrombus,' which refers to a blood clot that forms within a blood vessel.

术语“thrombotic stroke”来源于单词“thrombus【血栓】”,它指血管内形成的血栓。


Strokes can not only be caused by blockages but also by a ruptured blood vessel in the brain. This is called a hemorrhagic stroke

卒中不止由阻塞引发,也由脑血管破裂引起。这种卒中是出血性卒中


Their number one risk factor is high blood pressure.  

这类卒中最主要的风险因素是高血压


Hemorrhagic strokes are generally considered to be the deadliest type of stroke; the mortality rate a year from the stroke is about 50%, with half of these deaths occurring within the first two days.

一般而言,出血性卒中最致命,1 年死亡率约为 50%,其中约 1/2 的患者在发病的最初 2 天内死亡。



相关单词学习


  • Hemorrhagic

①发音和释义


hem•or•rhag•ic/ˌheməˈrædʒɪk/adj. 出血性的

Pertaining to or characterized by hemorrhage.


单词 hemorrhagic 由下列成分构成


hemo-(前缀)血液

+

-rrhagic 出血的

(图源:太帅图库)

  • Thrombotic 


throm•bot•ic/θrɒm'bɒtɪk/adj. 血栓形成的

Relating to, caused by, or characterized by thrombosis.


单词 thrombotic  由下列成分构成


thromb- 血栓

+

-otic 作用的,过程的,状态的

(图源:太帅图库)

附:脑卒中急救科普


脑卒中高危人群

脑卒中识别方法

脑卒中急救措施

(图源:太帅图库)

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