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体位性低血压 PowerPoint PPT Presentation


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体位性低血压. 慕颖. 一、定义 二、检查时间 三、分类 四、病因学 五、发病机制 六、临床症状 七、患病率及死亡率 八、危险因素及危害 九、对策 十、治疗 十一、护理干预 十二、体位性低血压的预防. 一、定义. 体位性低血压( PH )或直立性低血压( OH ) 体位由卧位变换为直立后 3 分钟内,或长时间站立发生的脑供血不足引起的低血压。通常认为收缩压较平常下降大于 20mmHg ,或舒张压下降大于 10mmHg ,伴或不伴症状。. 二、检查时间.

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体位性低血压

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PHOH

320mmHg10mmHg


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2007


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()


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3-


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500-700ml1515%-20%


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Circulation 1998,98:2290-2295


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2007601.5323

433


Honolulu heart program cohort n 3522

Honolulu Heart Program cohort (n3522).


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Kaplan-Meier curves for 4-year all-cause mortality rate in association with OH Honolulu Heart Program cohort

P=0.0001


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868 98

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OH


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3707%64%;

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