{"title":"窄性QRS心动过速对心室外刺激的异常反应:其机制是什么?","authors":"Chisato Ota, Satoshi Nagase, Yuko Inoue, Koji Miyamoto, Takeshi Aiba, Kengo Kusano","doi":"10.1111/pace.14575","DOIUrl":null,"url":null,"abstract":"F IGURE 1 (A) Ventricular extrastimulus (St.) from the right ventricular apex (RVA) during the tachycardia. Abbreviations: A, atrium; CS, coronary sinus; H, His; HBE, His bundle electrogram; HRA, high right atrium tachycardia with the earliest atrial activation site of coronary sinus ostium (CSos). During the tachycardia, atrio-His andHis-atrio intervals were 138 and 180 ms, respectively. A single ventricular extrastimulus applied from the right ventricular apex (RVA) during the tachycardia is shown in Figure 1. This finding appeared with reproducibility. What is themechanism of this tachycardia?","PeriodicalId":520740,"journal":{"name":"Pacing and clinical electrophysiology : PACE","volume":" ","pages":"1090-1091"},"PeriodicalIF":1.3000,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Unusual response to a ventricular extrastimulus during a narrow QRS tachycardia: What is the mechanism?\",\"authors\":\"Chisato Ota, Satoshi Nagase, Yuko Inoue, Koji Miyamoto, Takeshi Aiba, Kengo Kusano\",\"doi\":\"10.1111/pace.14575\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"F IGURE 1 (A) Ventricular extrastimulus (St.) from the right ventricular apex (RVA) during the tachycardia. Abbreviations: A, atrium; CS, coronary sinus; H, His; HBE, His bundle electrogram; HRA, high right atrium tachycardia with the earliest atrial activation site of coronary sinus ostium (CSos). During the tachycardia, atrio-His andHis-atrio intervals were 138 and 180 ms, respectively. A single ventricular extrastimulus applied from the right ventricular apex (RVA) during the tachycardia is shown in Figure 1. This finding appeared with reproducibility. What is themechanism of this tachycardia?\",\"PeriodicalId\":520740,\"journal\":{\"name\":\"Pacing and clinical electrophysiology : PACE\",\"volume\":\" \",\"pages\":\"1090-1091\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2022-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Pacing and clinical electrophysiology : PACE\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://doi.org/10.1111/pace.14575\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2022/8/8 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pacing and clinical electrophysiology : PACE","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1111/pace.14575","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2022/8/8 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
Unusual response to a ventricular extrastimulus during a narrow QRS tachycardia: What is the mechanism?
F IGURE 1 (A) Ventricular extrastimulus (St.) from the right ventricular apex (RVA) during the tachycardia. Abbreviations: A, atrium; CS, coronary sinus; H, His; HBE, His bundle electrogram; HRA, high right atrium tachycardia with the earliest atrial activation site of coronary sinus ostium (CSos). During the tachycardia, atrio-His andHis-atrio intervals were 138 and 180 ms, respectively. A single ventricular extrastimulus applied from the right ventricular apex (RVA) during the tachycardia is shown in Figure 1. This finding appeared with reproducibility. What is themechanism of this tachycardia?
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