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R-R间期呼吸差是指以6次/分深呼吸时,最大R-R间期与最小R-R间期之差,由R-R间期可换算出心率之差。通过对109名健康成人R-R间期呼吸差的测定和分析,为临床工作探求一种反映交感-副交感神经张力及其平衡的较量化的无创性测定方法。
R-R interval respiratory difference refers to the difference between the maximum R-R interval and the minimum R-R interval at 6 breaths / minute, and the difference between the heart rates can be calculated from the R-R interval. Through the measurement and analysis of R-R interval respiratory difference in 109 healthy adults, a non-invasive quantitative measurement method reflecting the sympathetic-parasympathetic tone and its balance is proposed for the clinical work.