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心率变异的某些相关因素探讨 被引量:4

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摘要 采用24小时动态心电图资料计算每5分钟一次R—R间期标准差(S),以S<50ms(Ps<50),50~100ms(Ps50~100),>100ms(Ps>100)的心搏所占时间百分比作为评价心率变异(HRV)的指标,对几种心血管疾病的HRV进行了比较,并与多普勒超声心动图、肾功能、电解质等多项指标进行了相关分析,结果发现:肺心病,高血压,冠心病组的Ps<50,Ps50~100均显著高于正常组,而Ps>100则显著低于正常组,24小时平均、最慢、最快HR、BUN与Ps<50,Ps50~100呈显著正相关,而与Ps>100呈显著负相关;Ca2+、E峰、E/A,左室后壁振幅(LVPWA)与Ps<50,Ps50~100呈显著负相关。
出处 《四川医学》 CAS 1998年第2期110-111,共2页 Sichuan Medical Journal
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