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一、保持血压正常。血压就是血液在动脉中流动的压力(一般测量上臂血压)。成人正常收缩压力为100～140毫米汞柱,舒张压为70～90毫米汞柱。血液常有波动,可因体力活动或精神紧张而上升,但幅度不大,如持续上升超过140/90毫米汞柱则是高血压。高血压本身是一个病症,又是冠心病、脑卒中的重要诱因,因此是中老年心脑血管病的总根源,而且高血压的发病率年龄有下降的趋势 。高血压早
First, to maintain normal blood pressure. Blood pressure is the pressure at which blood flows in arteries (usually upper arm blood pressure). Normal systolic pressure in adults is 100 to 140 mm Hg, diastolic blood pressure of 70 to 90 mm Hg. Blood often fluctuates, can rise due to physical activity or mental stress, but not to a large extent, if it continues to rise above 140/90 mmHg is high blood pressure. Hypertension itself is a condition, but also coronary heart disease, stroke an important incentive, it is the total root causes of cardiovascular disease in the elderly, and the incidence of hypertension has a declining trend of age. Hypertension early