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近些年来,医疗中经常遇到一些青少年的血压偏低或患有贫血。测量血压时发现收缩压多低于90mmHg,舒张压往往低于60mmHg;并有头晕、头疼、眼花、精神萎糜、乏力、易倦、健忘、心悸、气短、食欲减退、睡眠欠佳等症候。还可有手脚发凉、怕冷喜暖、失眠多梦,容易发生虚脱。在学习时又常出现注意力难以集中,思想爱走神,记忆力差,觉得脑筋不好使等情形。这些症候主要是因为较长时期的血压偏低之后,大脑神经细胞的血液供应不足,发生了慢性缺血、缺氧的缘故。
In recent years, some young people in medical treatment often experience low blood pressure or anemia. Systolic blood pressure measured when measuring more than 90mmHg, diastolic blood pressure is often lower than 60mmHg; and dizziness, headache, vertigo, mental wilt, fatigue, fatigue, forgetfulness, palpitations, shortness of breath, loss of appetite, poor sleep and other symptoms. Can also have hands and feet cold, cold and warm, insomnia, prone to collapse. In learning often appear difficult to focus attention, thinking love walking, poor memory, think the brain is not good so that the situation. These symptoms are mainly due to the long period of low blood pressure, cerebral blood supply of nerve cells, the occurrence of chronic ischemia, hypoxia.