{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T12:32:15Z","timestamp":1777984335349,"version":"3.51.4"},"reference-count":8,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T00:00:00Z","timestamp":1770336000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T00:00:00Z","timestamp":1773100800000},"content-version":"vor","delay-in-days":32,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Cardiovasc Disord"],"DOI":"10.1186\/s12872-026-05554-w","type":"journal-article","created":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T01:13:54Z","timestamp":1770340434000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Electrocardiographic predictors of ventricular arrhythmic events in ICD recipients: signal beyond the left ventricular ejection fraction threshold"],"prefix":"10.1186","volume":"26","author":[{"given":"Maysan","family":"Almegbel","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abdulmohsen","family":"Almusaad","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali Mahmoud","family":"Alzammam","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Razan","family":"Alzayer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muneera","family":"AlTaweel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,2,6]]},"reference":[{"issue":"14","key":"5554_CR1","doi-asserted-by":"publisher","first-page":"e91","DOI":"10.1016\/j.jacc.2017.10.054","volume":"72","author":"SM Al-Khatib","year":"2018","unstructured":"Al-Khatib SM, Stevenson WG, Ackerman MJ, Bryant WJ, Callans DJ, Curtis AB, et al. 2017 AHA\/ACC\/HRS guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death: a report of the American College of Cardiology\/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. J Am Coll Cardiol. 2018;72(14):e91-220.","journal-title":"J Am Coll Cardiol"},{"issue":"40","key":"5554_CR2","doi-asserted-by":"publisher","first-page":"3017","DOI":"10.1093\/eurheartj\/ehx331","volume":"38","author":"AL Aro","year":"2017","unstructured":"Aro AL, Reinier K, Rusinaru C, Uy-Evanado A, Darouian N, Phan D, et al. Electrical risk burden beyond the left ventricular ejection fraction: prediction of sudden cardiac death in the Oregon Sudden Unexpected Death Study and the Atherosclerosis Risk in Communities Study. Eur Heart J. 2017;38(40):3017\u201325.","journal-title":"Eur Heart J"},{"issue":"6","key":"5554_CR3","doi-asserted-by":"publisher","first-page":"542","DOI":"10.1016\/j.jacep.2015.07.010","volume":"1","author":"K Reinier","year":"2015","unstructured":"Reinier K, Narayanan K, Uy-Evanado A, Teodorescu C, Chugh H, Mack WJ, et al. Electrocardiographic markers and left ventricular ejection fraction have cumulative effects on risk of sudden cardiac death. JACC Clin Electrophysiol. 2015;1(6):542\u201350.","journal-title":"JACC Clin Electrophysiol"},{"issue":"7","key":"5554_CR4","doi-asserted-by":"publisher","first-page":"833","DOI":"10.1111\/jce.12989","volume":"27","author":"KCM Chua","year":"2016","unstructured":"Chua KCM, Teodorescu C, Reinier K, Uy-Evanado A, Aro AL, Nair SG, et al. Wide QRS\u2013T angle on the 12-lead ECG as a Predictor of Sudden Death beyond the LV Ejection Fraction. J Cardiovasc Electrophysiol. 2016;27(7):833\u20139.","journal-title":"J Cardiovasc Electrophysiol"},{"issue":"11","key":"5554_CR5","doi-asserted-by":"publisher","first-page":"2181","DOI":"10.1016\/j.hrthm.2016.08.022","volume":"13","author":"KCM Chua","year":"2016","unstructured":"Chua KCM, Rusinaru C, Reinier K, Uy-Evanado A, Chugh H, Gunson K, et al. Tpeak-to-Tend interval corrected for heart rate: a more precise measure of increased sudden death risk? Heart Rhythm. 2016;13(11):2181\u20135.","journal-title":"Heart Rhythm"},{"issue":"12","key":"5554_CR6","doi-asserted-by":"publisher","first-page":"877","DOI":"10.1056\/NEJMoa013474","volume":"346","author":"AJ Moss","year":"2002","unstructured":"Moss AJ, Zareba W, Hall WJ, Klein H, Wilber DJ, Cannom DS, et al. Prophylactic implantation of a defibrillator in patients with myocardial infarction and reduced ejection fraction. N Engl J Med. 2002;346(12):877\u201383.","journal-title":"N Engl J Med"},{"issue":"3","key":"5554_CR7","doi-asserted-by":"publisher","first-page":"225","DOI":"10.1056\/NEJMoa043399","volume":"352","author":"GH Bardy","year":"2005","unstructured":"Bardy GH, Lee KL, Mark DB, Poole JE, Packer DL, Boineau R, et al. Amiodarone or an implantable cardioverter\u2013defibrillator for congestive heart failure. N Engl J Med. 2005;352(3):225\u201337.","journal-title":"N Engl J Med"},{"issue":"3","key":"5554_CR8","doi-asserted-by":"publisher","first-page":"288","DOI":"10.1016\/j.jacc.2007.08.058","volume":"51","author":"I Goldenberg","year":"2008","unstructured":"Goldenberg I, Vyas AD, Hall W, Moss AJ, Wang H, He H, et al. Risk Stratification for Primary Implantation of a Cardioverter-Defibrillator in Patients With Ischemic Left Ventricular Dysfunction. J Am Coll Cardiol. 2008;51(3):288\u201396.","journal-title":"J Am Coll Cardiol"}],"container-title":["BMC Cardiovascular Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12872-026-05554-w","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12872-026-05554-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12872-026-05554-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T12:14:30Z","timestamp":1773144870000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s12872-026-05554-w"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,2,6]]},"references-count":8,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["5554"],"URL":"https:\/\/doi.org\/10.1186\/s12872-026-05554-w","relation":{"has-preprint":[{"id-type":"doi","id":"10.21203\/rs.3.rs-8108978\/v1","asserted-by":"object"}]},"ISSN":["1471-2261"],"issn-type":[{"value":"1471-2261","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,2,6]]},"assertion":[{"value":"13 November 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"20 January 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"6 February 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The study protocol was reviewed and approved by the Institutional Review Board at King Abdullah International Medical Research Center (KAIMRC), Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia (approval no. RC19\/072\/R). All procedures involving human participants and their data were conducted in accordance with institutional and national research standards, as well as the 1964 Declaration of Helsinki and its subsequent amendments. Given the study's retrospective design and the use of de-identified clinical data, the Institutional Review Board waived the requirement for informed consent.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable. This manuscript contains no personally identifiable information in any form, including images, videos, or detailed case descriptions.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"214"}}