由于脑动脉血液供给的突然中断所引起的神经系统的急性损害,在临床上表现为偏瘫失语等多种症状者,称为缺血性卒中。脑动脉供血的突然中断常于脑动脉硬化与高血压的基础上发生,或是由于来源于心脏与其它部位的栓子突然阻塞脑血管所致。脑血管突然闭塞后可以发生脑软化,但是,血管闭塞并非所有病例均引起脑软化而出现神经系统症 Due to the sudden interruption of blood supply to the cerebral arteries caused by acute damage to the nervous system, the clinical manifestations of hemiplegia aphasia and other symptoms, known as ischemic stroke. Sudden interruptions of cerebral arterial blood supply often occur on the basis of cerebral arteriosclerosis and hypertension, or due to a sudden blockage of cerebrovascular by emboli derived from the heart and other parts. Cerebral softening can occur after a sudden occlusion of cerebral blood vessels, however, not all cases of vascular occlusion cause neurodevelopment due to cerebral softening