2023年6月第9卷第6期24h动态心电图心电Lorenz散点图对于心律失常及心率变异性的应用价值张海强张海强,朱敏朱敏,翁晓玲翁晓玲,张雅菁张雅菁北京大学第三医院秦皇岛医院功能检查科,河北秦皇岛066000摘要摘要目的研究24h动态心电图心电Lorenz散点图对于心律失常及心率变异性的应用价值。方法选取2022年1—12月北京大学第三医院秦皇岛医院收治的55例心律失常患者作为研究组,同期选取55例健康体检者作为对照组。两组均使用24h动态心电图中的心电Lorenz散点图方式,对比相关数据,包括心率变异性(heartratevariability,HRV)相关数据,扇形状以及复杂状、彗星状、鱼雷状、短棒状。结果研究组DC(3.27±1.21)ms、SDNN(111.38±7.99)ms、SDANN(105.37±17.87)ms、rMSSD(23.16±1.22)ms,均低于对照组,差异有统计学意义(t=13.367、11.317、8.160、50.296,P<0.05)。研究组扇形状(34.55%)、复杂状(47.27%)高于对照组,彗星状(10.90%)低于对照组,差异有统计学意义(χ2=22.967、10.571、47.903,P<0.05);两组鱼雷状、短棒状比较,差异无统计学意义(P>0.05)。结论24h动态心电图心电Lorenz散点图对于心律失常及HRV的应用价值较高。关键词关键词24h动态心电图;心电Lorenz散点图;心律失常;诊断;心率变异性中图分类号中图分类号R540.41;R541.7文献标志码文献标志码Adoi10.11966/j.issn.2095-994X.2023.09.06.33ApplicationValueofLorenzScattergramof24hHolterElectrocardiogramforAr⁃rhythmiaandHeartRateVariabilityZHANGHaiqiang,ZHUMin,WENGXiaoling,ZHANGYajingDepartmentofFunctionalExamination,PekingUniversityThirdHospitalQinhuangdaoHospital,Qinhuangdao,HebeiProvince,066000ChinaAbstractObjectiveTostudytheapplicationvalueof24hholterelectrocardiogramLorenzscattergramforarrhythmiaandheartratevariabil‐ity.Methods55patientswitharrhythmiawereselectedfromPekingUniversityThirdHospitalQinhuangdaoHospitalfromJanuarytoDecem‐ber2022forstudy,and55healthyphysicalexaminationpatientswereselectedforcomparisonduringthesameperiod,andwereincludedinthestudygroupandthecontrolgrouprespectively.TheLorenzscattergrammethodof24hholterelectrocardiogramwasusedinbothgroups.Therelevantdata,includingheartratevariability(HRV)relateddata,fanshape,complexshape,cometshape,torpedoshape,shor...