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临床实践证明,抢救脑中风的最佳时间是在病发后3小时之内。通常中风在发病前往往会出现一些症兆。那么如何能在第一时间准确辨识中风的症兆呢?对此,脑血管疾病专家提醒中老年朋友们需注意以下几点。哈欠频频当脑动脉硬化逐渐加重,管腔愈来愈窄,脑缺血缺氧加重,特别是呼吸中枢缺氧时,会引起哈欠反射。大多患者在缺血性中风发作前5～10天内,出现频频打哈欠现象,便是重要的中风报警信号。一过黑蒙即突然出现眼前发黑,看不见东西,数秒钟或数分钟即恢复,还伴有恶心、呕吐、头晕及意识障碍等症状。
Clinical practice shows that the best time to rescue stroke is within 3 hours after the onset of the disease. Usually before the onset of stroke often appear some signs. So how can we accurately identify the signs of stroke at the first time? In this regard, experts in cerebrovascular diseases remind middle-aged and elderly friends to pay attention to the following points. Yawn frequently when cerebral arteriosclerosis gradually increased, the lumen narrower, cerebral ischemia and hypoxia aggravated, especially in the respiratory center hypoxia, will cause yawn reflex. Most patients 5 to 10 days before the onset of ischemic stroke, frequent yawn phenomenon, it is an important stroke alarm signal. Once the darkness suddenly appeared black eyes immediately, can not see things, a few seconds or minutes to recover, but also accompanied by nausea, vomiting, dizziness and disturbance of consciousness and other symptoms.