1、.1阵发性室上性心动过速 (PSVT)2.定 义 3.电生理分类4.5.6.房室结内折返性心动过速房室结内折返性心动过速 7.心电图检查心电图检查8.房室结折返性心动过速房室结折返性心动过速发生机制：发生机制：房室结在功能上房室结在功能上分离成快、慢两分离成快、慢两条径路，形成折条径路，形成折返环，使冲动在返环，使冲动在环内不停折返。环内不停折返。折返环折返环快快径径路路慢慢径径路路9.折返环10.折返11.12.房室结内折返性心动过速房室结内折返性心动过速13.触发PAC,P-RP-R显著延长显著延长房性期前刺激经慢径前传，S2R2跳跃-ms，诱发AVNRT，速率bps14.P P波与波与Q
2、RSQRS关系关系15.116.217.波假S波318.房室结内折返性心动过速19.房室结内折返性心动过速房室结内折返性心动过速20.房室折返性心动过速房室折返性心动过速21.Types of RJTTypes of RJT22.顺向型的顺向型的AVRTAVRT心电图心电图23.24.25.26.预激综合症27.预激综合征预激综合征28.临床表现29.心电图表现30.分类31.A型预激32.B型预激33.治疗治疗34.房室折返性心动过速的诊断标准35.36.37.RJT Schematic diagram38.Brugada CriteriaInitial Sp/Sn 96%Validation studies in ED populations show Sp/Sn 80%39.40.Aberrant Conduction:Reentry41.Digoxin toxicity:PAT with block42.Junctional Tachycardia(RJT)43.RJT Schematic diagram/10/29.44NoImage
