A new approach of plot by first order difference based on RR intervals,which is related to the Poincare plot analysis is proposed.
在Poincare散点图的基础上,提出了基于RR间期的一阶差分散点图的新型分析方法。
Objective To investigate the changes of HRVand Poincare plot among cases with different degree of CHD.
目的 探讨不同程度冠心病患者心率变异性 (HRV)及Poincare散点图的变化特征。
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