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血压是指血管内的血液对于血管壁的侧压。动脉血压的形成是在循环系统平均充盈压的基础上，心室射血和外周阻力两者相互作用的结果，血压等于心输出量与外围阻力的乘积（P＝Co·R）。通常以毫米汞柱（mmHg）或千帕（kPa）为单位，其换算为1mmHg＝0．133kPa。世界卫生组织曾在多
Blood pressure refers to the lateral pressure of the blood in the blood vessel to the blood vessel wall. The formation of arterial blood pressure is the result of interaction between ventricular ejection and peripheral resistance based on the average filling pressure of the circulatory system. Blood pressure is equal to the product of cardiac output and peripheral resistance (P=Co·R). Usually in millimeters of mercury (mmHg) or kilopascals (kPa) as a unit, which is converted to 1mmHg = 0.133kPa. World Health Organization had many