治疗白癜风医院 https://baike.baidu.com/item/%E5%8C%97%E4%BA%AC%E4%B8%AD%E7%A7%91%E7%99%BD%E7%99%9C%E9%A3%8E%E5%8C%BB%E9%99%A2/9728824?fr=aladdin每日一学认识高血压Day21测量、病因、表现、预防
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正常人血压波动的意义
一般来说,正常人血压呈昼高夜低的规律变化,午夜2--3时血压处于最低谷,以后呈上升趋势,早晨起床活动后血压迅速上升,约在8—9时达第一峰值。白昼基本处于较高水平,在下午17—18时可略高些,此为第二峰值。
从18时后开始缓慢下降,夜间血压下降大于白昼血压10%。所以正常人24小时血压变化曲线为双峰一谷,呈勺状型。
近年来,人们发现高血压的严重程度和预后与血压变化曲线有关。非勺状型高血压病人夜间血压水平较高者易发生左室肥厚。白昼血压高峰期则易发生脑卒中和心肌梗塞。
视频
video:油管
译文及词汇
WhatisBloodPressure(血压)?Asbloodcirculatesthroughyourbody,itexertspressureagainstthewallsofyourarteries(动脉).Thatpressureiswhatismeasuredwithabloodpressuredevice(血压计).
BloodPressureismeasuredbytwonumbers.ThetopnumberiscalledSystolic(收缩压)andmeasuresthepressureinyourarterieswhenyourheartispumping.
ThelownumberiscalledDiastolic(舒张压)andmeasuresthepressureinyourarterieswhentheyarerestingandrefilling.
Highbloodpressureissomethingyouneedtoavoidinordertokeepyourheartandarterieshealthyandclearofanycardiovasculardisease(心血管疾病).
Bloodpressureisalwaysbestmeasuredatrest.Idealbloodpressure(理想的血压)is/80.Yourbloodpressureshouldbelessthan/85inthe
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