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有一位患动脉硬化的老人,每天早晨打太极拳锻炼身体。由于近来经常感到头晕,便晃动和摇摆颈部想使头脑清醒。结果事与愿违,头晕更加明显,在活动颈部时还常常出现眼前发黑的现象。实际上,老人的这些症状是大脑供血不足所致,而活动颈部使大脑缺血更加严重,甚至影响到了眼睛的血液供应,出现眼前发黑和暂时性视力障碍症状。令人悲哀的是,老人并不知道过度活动颈部的危害,继续剧烈地活动颈部,结果症状越发严重,一周之内发生了偏瘫。后经CT检查证实,老人颈动
There is an elderly person suffering from arteriosclerosis, tai chi exercise every morning. Due to the recent dizziness, I shake and swing my neck to make my head clear. The result was contrary to expectations, dizziness is more obvious, often appear in the activities of the neck black phenomenon. In fact, these symptoms of the elderly are caused by inadequate blood supply to the brain, while the active neck causes more severe brain ischemia and even affects the blood supply to the eyes, resulting in immediate blackouts and temporary visual impairment. Sadly, the elderly do not know the dangers of excessive activity of the neck, continue to violently move the neck, the results of the more serious symptoms, hemiplegia occurred within a week. After confirmed by CT examination, the elderly carotid