摘要
本文回顾分析已成功进行射频消蚀、定位诊断明确的61例间隔旁路患者的体表心电图。各部位旁路心电图特点:(1)V1导联呈rS型或δ波为负向为右侧旁路,否则为左侧旁路;(2)右侧间隔旁路的特点:V1导联δ负向或V1呈rS型且r<40ms,V2R/S≥1,敏感性96%,特异性98%);(3)右前间隔Σδ≥+2,右中间隔-1≤Σδ<+2,右后间隔Σδ<-1;(4)左后间隔旁路:V1呈“M”型右束支阻滞图形或RS型且R/S型=1,Ⅱ导联δ波为负向(敏感性90%,特异性99%)。总之,根据体表心电图V1、V2、Ⅱ、Ⅲ。
The12-leadelectrocardiogramsof61patientswithoneanterogradelyconductingsep-talaccessorypathywaywereanalyzedretrospectivelytoinvestigatethecharateristicsoftheelectro-cardiographicfindingsinrightandleftseptalAPlocation.Locationofaccessorypathywaywascon-firmedbyradiofrequencycatheterablation.IfnegativedeltawaveinleadV1orrSpatterninleadV1wasfound,itwasright-sided;otherwise,itwasleft-sided.IfnegativedeltawaveorrSpaterninV1andr<40ms,V2R/S>1wasfound,itwasrightseptalaccessarypathway(AP),otherwiseitwasrightfreewalAP(sensitivity96%,sepecificity98%).RightanteriorseptalΣδ≥+2,rightmedianseptal-1≤Σδ<+2,rightposteriorsaptalΣδ<-1.Thecharacteristicsofleftposteriorseptal“M”paternofrightbundlebranchblockinleadV1orRSpatern(R/S=1)inleadV1withnegativedeltawaveinleadⅡwasfoundin90%ofthepatientsinLPSbutonly2%ofthepatientswithleftfreewalAP(P<0.01).Thiscriteriahadasensitivityof90%andspecificityof99%tolocalizeLPS.FiveECGleads(leadV1,V2,Ⅱ,Ⅲ,aVF)areenoughforlocalizingseptalAPwithhighsensitivityandspecificity.
出处
《中华心血管病杂志》
CAS
CSCD
北大核心
1996年第6期421-424,共4页
Chinese Journal of Cardiology
关键词
预激综合征
心电图
导管消融
诊断
pre-excitationsyndromeselectrocardiogramcatheterablation