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The <jats:styled-content style=\"fixed-case\">ECG<\/jats:styled-content> change indicates left septal fascicular block (<jats:styled-content style=\"fixed-case\">LSFB<\/jats:styled-content>) with associated slurring\u2010type giant J\u2010wave. Currently, this J\u2010wave variant is considered as a lambda\u2010like wave or <jats:styled-content style=\"fixed-case\">QRS<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">ST<\/jats:styled-content>\u2010T \u201ctriangulation\u201d. Its presence is indicative of poor prognosis because of the risk for cardiac arrest as a consequence of ventricular tachycardia\/ventricular fibrillation (<jats:styled-content style=\"fixed-case\">VT<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">VF<\/jats:styled-content>).<\/jats:p>","DOI":"10.1111\/anec.12536","type":"journal-article","created":{"date-parts":[[2018,2,24]],"date-time":"2018-02-24T07:13:19Z","timestamp":1519456399000},"source":"Crossref","is-referenced-by-count":10,"title":["Transient left septal fascicular block in the setting of acute coronary syndrome associated with giant slurring variant J\u2010wave"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4948-538X","authenticated-orcid":false,"given":"Andr\u00e9s Ricardo","family":"P\u00e9rez\u2010Riera","sequence":"first","affiliation":[{"name":"Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine  Santo Andr\u00e9, S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raimundo","family":"Barbosa\u2010Barros","sequence":"additional","affiliation":[{"name":"Coronary Center of the Messejana Hospital Dr. Carlos Alberto Studart Gomes  Fortaleza Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wallam","family":"Lima Arag\u00e3o","sequence":"additional","affiliation":[{"name":"Coronary Center of the Messejana Hospital Dr. Carlos Alberto Studart Gomes  Fortaleza Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rodrigo","family":"Daminello\u2010Raimundo","sequence":"additional","affiliation":[{"name":"Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine  Santo Andr\u00e9, S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luiz Carlos","family":"de Abreu","sequence":"additional","affiliation":[{"name":"Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine  Santo Andr\u00e9, S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseane Elza","family":"Tonussi Mendes Rossette do Valle","sequence":"additional","affiliation":[{"name":"Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine  Santo Andr\u00e9, S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabel Cristina","family":"Esposito Sorpreso","sequence":"additional","affiliation":[{"name":"Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine  Santo Andr\u00e9, S\u00e3o Paulo Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kjell","family":"Nikus","sequence":"additional","affiliation":[{"name":"Heart Center Tampere University Hospital and Faculty of Medicine and Life Sciences University of Tampere  Tampere Finland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2018,2,24]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelectrocard.2011.11.007"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joa.2014.08.006"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(96)00571-2"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jelectrocard.2004.01.001"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa071968"},{"issue":"8","key":"e_1_2_6_7_1","first-page":"873","article-title":"Lambda\u2010like ST segment elevation in acute myocardial infarction \u2010 a new risk marker for ventricular fibrillation? 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