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出血性脑卒中

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ID: ANS11513chis
医疗动画文字记录:当大脑的一部分血液流动受阻时,就会发生卒中。几分钟后,缺血的脑细胞开始死亡。正常情况下,大脑通过两对主要的动脉接收血液供应,这些动脉在大脑组织中分支,并为脑细胞提供其功能所需的氧气、葡萄糖和营养物质。出血性脑卒中时,异常出血会破坏正常的血液流动。例如,在脑内出血性卒中时,血管破裂,血液直接流向大脑,同时剥夺了周围组织的营养。出血和供血不足,即脑缺血,都会破坏脑组织。蛛网膜下腔出血性卒中发生在血管壁的一个薄弱部位,叫做动脉瘤,破裂,血液漏出到大脑和颅骨之间的狭窄空间。高压出血会严重损伤脑组织。对卒中立即进行治疗可能有助于减少脑细胞损伤和死亡。在出血性脑卒中的情况下,紧急手术可能是必要的,以修复受损的动脉或降低大脑的血压。你可能会被给予药物来帮助大脑的血液流动恢复正常。

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