Anish Bhargav MD, DM, DNB, Ramanathan Velayutham MD, DM, Raja J. Selvaraj MD, DNB, FCE
{"title":"下环再入扑动","authors":"Anish Bhargav MD, DM, DNB, Ramanathan Velayutham MD, DM, Raja J. Selvaraj MD, DNB, FCE","doi":"10.1002/joa3.70081","DOIUrl":null,"url":null,"abstract":"<p>An elderly man with a history of a prior inferior wall myocardial infarction underwent ablation for an atypical right atrial flutter. Electroanatomic mapping revealed diffuse scarring on the anterior, anterolateral, and posterior right atrium, presumably due to atrial infarction from the prior inferior wall myocardial infarction, forcing the activation wavefront through an area of slow conduction across the lower end of the crista terminalis, leading to lower loop reentry in a counterclockwise fashion around the inferior vena cava and a 12-lead ECG showing positive flutter waves in the inferior leads reflecting septal activation in a cranio-caudal direction.\n <figure>\n <div><picture>\n <source></source></picture><p></p>\n </div>\n </figure></p>","PeriodicalId":15174,"journal":{"name":"Journal of Arrhythmia","volume":"41 3","pages":""},"PeriodicalIF":2.2000,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/joa3.70081","citationCount":"0","resultStr":"{\"title\":\"Lower loop re-entrant flutter\",\"authors\":\"Anish Bhargav MD, DM, DNB, Ramanathan Velayutham MD, DM, Raja J. Selvaraj MD, DNB, FCE\",\"doi\":\"10.1002/joa3.70081\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>An elderly man with a history of a prior inferior wall myocardial infarction underwent ablation for an atypical right atrial flutter. Electroanatomic mapping revealed diffuse scarring on the anterior, anterolateral, and posterior right atrium, presumably due to atrial infarction from the prior inferior wall myocardial infarction, forcing the activation wavefront through an area of slow conduction across the lower end of the crista terminalis, leading to lower loop reentry in a counterclockwise fashion around the inferior vena cava and a 12-lead ECG showing positive flutter waves in the inferior leads reflecting septal activation in a cranio-caudal direction.\\n <figure>\\n <div><picture>\\n <source></source></picture><p></p>\\n </div>\\n </figure></p>\",\"PeriodicalId\":15174,\"journal\":{\"name\":\"Journal of Arrhythmia\",\"volume\":\"41 3\",\"pages\":\"\"},\"PeriodicalIF\":2.2000,\"publicationDate\":\"2025-04-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1002/joa3.70081\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Arrhythmia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/joa3.70081\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"CARDIAC & CARDIOVASCULAR SYSTEMS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Arrhythmia","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/joa3.70081","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CARDIAC & CARDIOVASCULAR SYSTEMS","Score":null,"Total":0}
An elderly man with a history of a prior inferior wall myocardial infarction underwent ablation for an atypical right atrial flutter. Electroanatomic mapping revealed diffuse scarring on the anterior, anterolateral, and posterior right atrium, presumably due to atrial infarction from the prior inferior wall myocardial infarction, forcing the activation wavefront through an area of slow conduction across the lower end of the crista terminalis, leading to lower loop reentry in a counterclockwise fashion around the inferior vena cava and a 12-lead ECG showing positive flutter waves in the inferior leads reflecting septal activation in a cranio-caudal direction.
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