房室折返性心动过速合并房室结双径现象.doc

房室折返性心动过速合并房室结双径现象7/^)临床心电学杂志2000年5月第9卷第2期房室折返性心动过速合并房室结双径现象挈璧警曼军郭映眷7/【摘要】目的分析射频消融术证实的房室旁道(AP)台并房室结双径(DAVNP),,确诊室上速合并房室结双径12例,(12/73),多为臆匿性AP(10/i2),其折返途径多为AP逆传(1o/12),(vA)与RR问期,在食道电生理与心内电生理无显着差异(Pi>).结论AP消融后,对仍有AH跳跃现象但未能诱发一C-动过速者,可作为手术终点,AP台并DAVNP发生心动过速虽可存在多种折返机制,但以AP逆传的房室折返性心动过速为主.【关键词】心动过速房室折返房室结双径心内电生理射频消融术AtrioventricuIarreentranttachcardiawithduaIatrioventrjcularnodaIpathwayMengXiang2mu,WangDongqi,WuJtt#,etatAffiliatedHospital,XiMedicalLrniz,ersityXi7l0061[Abstract]essorypathway(AP)withdualatrioventricularnodalpathway(DAVNP).Methodstwelvepatientswereexaminedwithtransesophagea[atrialpacing(TEAP),electrophyslologicaIstudy(EPS)beforeand~fterradiofre—().essorypathway(,10/12).CirclelengthandRP(VA)】(>).Cone]usfonThereisnotachycardiainpatientswithonlyA—】otofmechanismofPSVTnAPwithDAVNP,themostcornn3oilisatrioventrlcu]arreentrywithretroconductionofAP.【Keywords]TachycardiaA"ioventrcu【arreentrantDualatrioventrieularnodalpathwayE】ectr0physi0】.gjca【studyRad;ofrquenyablation房室折返性心动过速(AVRT)和房室结折返性心动过速(AVNRT)在阵发性室上性心动过速(PSVT)(AP)台井房室结双径(DAVNP)即可发生AVR