{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:17:24Z","timestamp":1753877844056,"version":"3.41.2"},"reference-count":10,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2018,9,26]],"date-time":"2018-09-26T00:00:00Z","timestamp":1537920000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Noninvasive Electrocardiol"],"published-print":{"date-parts":[[2019,9]]},"abstract":"<jats:p>Left posterior fascicular block (LPFB) is a rare intraventricular conduction disorder of rare occurrence, especially as an isolated entity. Its transient form is even rarer and maybe rate\u2010independent or rate\u2010dependent intermittent LPFB (phase 3 block, tachycardia\u2010dependent and phase 4 block or bradycardia\u2010dependent). We present a case of a young adult male whose baseline ECG\/VCG showed the typical LPFB pattern. A treadmill stress test revealed rate\u2010independent intermittent LPFB with random occurrence. Imaging exams ruled out structural heart disease. To our knowledge, this is the first case in the literature of a rate\u2010independent intermittent LPFB with no underlying structural heart disease.<\/jats:p>","DOI":"10.1111\/anec.12600","type":"journal-article","created":{"date-parts":[[2018,9,26]],"date-time":"2018-09-26T09:34:20Z","timestamp":1537954460000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Electro\u2010vectorcardiographic demonstration of rate\u2010independent transient left posterior fascicular block"],"prefix":"10.1111","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4948-538X","authenticated-orcid":false,"given":"Andr\u00e9s Ricardo","family":"P\u00e9rez\u2010Riera","sequence":"first","affiliation":[{"name":"Laboratorio de Pesquisa e Escrita Cient\u00edfica da Faculdade de Medicina do ABC  Santo Andr\u00e9 SP 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