{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T09:19:19Z","timestamp":1787735959340,"version":"build-2784847793"},"reference-count":55,"publisher":"Elsevier BV","issue":"9","license":[{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","heartrhythmjournal.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Heart Rhythm"],"published-print":{"date-parts":[[2026,9]]},"DOI":"10.1016\/j.hrthm.2026.03.1892","type":"journal-article","created":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T16:50:06Z","timestamp":1773939006000},"page":"2027-2034","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Differential responses of J waves to heart rate changes in idiopathic ventricular fibrillation and the general population in Japan"],"prefix":"10.1016","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2850-7906","authenticated-orcid":false,"given":"Yoshifusa","family":"Aizawa","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masafumi","family":"Nakayama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanori","family":"Aizawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kanae","family":"Hasegawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Satoshi","family":"Nagase","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naohiko","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minoru","family":"Horie","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaomi","family":"Chinushi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshiyasu","family":"Aizawa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michel","family":"Ha\u00efssaguerre","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.hrthm.2026.03.1892_bib1","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1016\/S0002-8703(36)90417-9","article-title":"The four lead electrogram in 200 normal men and women","volume":"11","author":"Shipley","year":"1936","journal-title":"Am Heart J"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib2","first-page":"525","article-title":"Changements electrocardiographiqus observes chez un homme mort de froid","volume":"31","author":"Tomaszewski","year":"1938","journal-title":"Arch Mal Coeur Vaiss"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib3","doi-asserted-by":"crossref","first-page":"184","DOI":"10.1016\/0002-9149(61)90204-1","article-title":"The normal RS-T segment elevation variant","volume":"8","author":"Wasserburger","year":"1961","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib4","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1016\/0002-9149(76)90142-9","article-title":"Long-term evaluation of early repolarization syndrome (normal variant RS-T segment elevation)","volume":"38","author":"Kambara","year":"1976","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib5","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/S0002-9343(03)00355-3","article-title":"The early repolarization normal variant electrocardiogram: correlates and consequences","volume":"115","author":"Klatsky","year":"2003","journal-title":"Am J Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib6","doi-asserted-by":"crossref","first-page":"45","DOI":"10.7326\/0003-4819-101-1-45","article-title":"Ventricular fibrillation causes sudden death in Southeast Asian immigrant","volume":"100","author":"Otto","year":"1984","journal-title":"Ann Intern Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib7","doi-asserted-by":"crossref","first-page":"1473","DOI":"10.1016\/0002-8703(93)90550-S","article-title":"Idiopathic ventricular fibrillation and bradycardia-dependent intraventricular block","volume":"126","author":"Aizawa","year":"1993","journal-title":"Am Heart J"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib8","doi-asserted-by":"crossref","first-page":"1231","DOI":"10.1016\/j.jacc.2008.07.010","article-title":"J-point elevation in survivors of primary ventricular fibrillation and matched control subjects: incidence and clinical significance","volume":"52","author":"Rosso","year":"2008","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib9","doi-asserted-by":"crossref","first-page":"2078","DOI":"10.1056\/NEJMc0708182","article-title":"Augmentation of J waves and electrical storms in patients with early repolarization","volume":"358","author":"Nam","year":"2008","journal-title":"N Engl J Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib10","doi-asserted-by":"crossref","first-page":"2016","DOI":"10.1056\/NEJMoa071968","article-title":"Sudden cardiac arrest associated with early repolarization","volume":"358","author":"Haissaguerre","year":"2008","journal-title":"N Engl J Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib11","doi-asserted-by":"crossref","first-page":"2529","DOI":"10.1056\/NEJMoa0907589","article-title":"Long-term outcome associated with early repolarization on electrocardiography","volume":"361","author":"Tikkanen","year":"2009","journal-title":"N Engl J Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib12","doi-asserted-by":"crossref","first-page":"2931","DOI":"10.1161\/CIRCULATIONAHA.110.006460","article-title":"Incidence and prognostic value of early repolarization pattern in the 12-lead electrocardiogram","volume":"123","author":"Haruta","year":"2011","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib13","doi-asserted-by":"crossref","first-page":"1302","DOI":"10.1016\/j.amjcard.2012.06.033","article-title":"Prevalence, prognosis, and identification of the malignant form of early repolarization pattern in a population-based study","volume":"110","author":"Rollin","year":"2012","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib14","doi-asserted-by":"crossref","first-page":"392","DOI":"10.1161\/CIRCEP.113.000874","article-title":"Clinical characteristics and outcomes associated with the natural history of early repolarization in a young, biracial cohort followed to middle age: the coronary artery Risk Development in Young Adults (CARDIA) study","volume":"7","author":"Ilkanoff","year":"2014","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib15","doi-asserted-by":"crossref","first-page":"722","DOI":"10.1016\/j.jacc.2011.04.022","article-title":"Prevalence and characteristics of early repolarization in the casper registry: cardiac arrest survivors with preserved ejection fraction registry","volume":"58","author":"Derval","year":"2011","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib16","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pmed.1000314","article-title":"Association of early repolarization pattern on ECG with risk of cardiac and all-cause mortality: a population-based prospective cohort study (Monica\/KORA)","volume":"7","author":"Sinner","year":"2010","journal-title":"PLoS Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib17","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1016\/j.hrthm.2011.09.012","article-title":"Distinguishing \"benign\" from \"malignant early repolarization\": the value of the ST-segment morphology","volume":"9","author":"Rosso","year":"2012","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib18","doi-asserted-by":"crossref","first-page":"2666","DOI":"10.1161\/CIRCULATIONAHA.110.014068","article-title":"Early repolarization: electrocardiographic phenotypes associated with favorable long-term outcome","volume":"123","author":"Tikkanen","year":"2011","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib19","doi-asserted-by":"crossref","first-page":"1610","DOI":"10.1016\/j.jacc.2013.05.081","article-title":"Significance of non-type 1 anterior early repolarization in patients with inferolateral early repolarization syndrome","volume":"62","author":"Kamakura","year":"2013","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib20","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1016\/j.ahj.2013.10.027","article-title":"Patterns and prognosis of all components of the J-wave pattern in multiethnic athletes and ambulatory patients","volume":"167","author":"Muramoto","year":"2014","journal-title":"Am Heart J"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib21","first-page":"745","article-title":"Long-term prognosis of early repolarization with J-wave and QRS slur patterns on the resting electrocardiogram: a cohort study","volume":"163","author":"Parganpnkar","year":"2015","journal-title":"Ann Intern Med"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib22","doi-asserted-by":"crossref","first-page":"372","DOI":"10.1161\/01.CIR.93.2.372","article-title":"Cellular basis for the electrocardiographic J wave","volume":"93","author":"Yan","year":"1996","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib23","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1016\/j.hrthm.2018.10.040","article-title":"Depolarization versus repolarization abnormality underlying inferolateral J-wave syndromes: new concepts in sudden cardiac death with apparently normal hearts","volume":"16","author":"Haissaguerre","year":"2019","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib24","doi-asserted-by":"crossref","first-page":"e295","DOI":"10.1016\/j.hrthm.2016.05.024","article-title":"J-Wave syndromes expert consensus conference report: emerging concepts and gaps in knowledge","volume":"13","author":"Antzelevitch","year":"2016","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib25","doi-asserted-by":"crossref","first-page":"1948","DOI":"10.1016\/j.jacc.2012.02.028","article-title":"Dynamicity of the J-wave in idiopathic ventricular fibrillation with a special reference to pause-dependent augmentation of the J-wave","volume":"59","author":"Aizawa","year":"2012","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib26","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.117.005214","article-title":"Tachycardia-Induced J-wave changes in patients with and without idiopathic ventricular fibrillation","volume":"10","author":"Aizawa","year":"2017","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib27","doi-asserted-by":"crossref","first-page":"376","DOI":"10.1016\/j.hrthm.2014.11.010","article-title":"Tachycardia-dependent augmentation of \u201cnotched J waves\u201d in a general patient population without ventricular fibrillation or cardiac arrest: not a repolarization but a depolarization abnormality?","volume":"12","author":"Aizawa","year":"2015","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib28","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1016\/j.amjcard.2019.01.015","article-title":"Conduction delay-induced J-wave augmentation in patients with coronary heart disease","volume":"123","author":"Nakayama","year":"2019","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib29","doi-asserted-by":"crossref","first-page":"f86","DOI":"10.1093\/europace\/eux062","article-title":"\u201cJ waves\u201d induced after short coupling intervals: a manifestations of latent depolarization abnormality?","volume":"20","author":"Aizawa","year":"2018","journal-title":"Europace"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib30","doi-asserted-by":"crossref","first-page":"2128","DOI":"10.1016\/j.hrthm.2024.09.064","article-title":"Isoproterenol- and pacing-induced changes of J waves unrelated to idiopathic ventricular fibrillation","volume":"22","author":"Kashiwa","year":"2025","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib31","doi-asserted-by":"crossref","first-page":"470","DOI":"10.1016\/j.jacc.2015.05.033","article-title":"The early repolarization pattern: a consensus paper","volume":"66","author":"Macfarlane","year":"2015","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib32","doi-asserted-by":"crossref","first-page":"314","DOI":"10.1016\/j.hrthm.2013.10.057","article-title":"Left ventricular epicardial electrogram recordigns in idiopathic ventricular fibrillation with inferior and lateral early repolarization","volume":"11","author":"Nakagawa","year":"2014","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib33","doi-asserted-by":"crossref","first-page":"14","DOI":"10.3389\/fphys.2017.00014","article-title":"Local left ventricular epicardial J waves and late potentials in Brugada syndrome patients with inferolateral early repolarization pattern","volume":"8","author":"Nagase","year":"2017","journal-title":"Front Physiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib34","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1016\/j.hrcr.2017.06.010","article-title":"Different rate-dependent responses between J waves and the notches on an epicardial local electrogram in a patient with idiopathic ventricular fibrillation","volume":"3","author":"Kamikubo","year":"2017","journal-title":"HeartRhythm Case Rep"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib35","doi-asserted-by":"crossref","first-page":"473","DOI":"10.1161\/01.RES.75.3.473","article-title":"Transient outward current in human ventricular myocytes of subepicardial and subendocardial origin","volume":"75","author":"Wettwer","year":"1994","journal-title":"Circ Res"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib36","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1161\/01.CIR.93.1.168","article-title":"Regional differences in current density and rate-dependent properties of the transient outward current in subepicardial and subendocardial myocytes of human left ventricle","volume":"93","author":"N\u00e4maybauer","year":"1996","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib37","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1016\/j.yjmcc.2013.12.012","article-title":"Mechanisms underlying the development of the electrocardiographic and arrhythmic manifestations of early repolarization syndrome","volume":"68","author":"Koncz","year":"2014","journal-title":"J Moll Cell Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib38","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1113\/jphysiol.1981.sp013889","article-title":"Effect of rate-dependent changes in the transient outward current on the action potential in sheep Purkinje fibres","volume":"319","author":"Boyett","year":"1981","journal-title":"J Physiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib39","doi-asserted-by":"crossref","first-page":"1477","DOI":"10.1161\/CIRCULATIONAHA.118.039022","article-title":"Mapping and ablation of ventricular fibrillation associated with early repolarization syndrome","volume":"140","author":"Nademanee","year":"2019","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib40","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.117.006120","article-title":"Localized structural alterations underlying a subset of unexplained sudden cardiac death","volume":"11","author":"Ha\u00efssaguerre","year":"2018","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib41","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1161\/CIRCRESAHA.118.314414","article-title":"J-waves in epicardial electrograms can guide ablation of arrhythmogenic substrate","volume":"124","author":"Boukens","year":"2019","journal-title":"Cir Res"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib42","doi-asserted-by":"crossref","first-page":"1395","DOI":"10.1016\/j.jacep.2020.06.027","article-title":"Structurally abnormal myocardium underlies ventricular fibrillation storms in a patient diagnosed with the early repolarization pattern","volume":"6","author":"Boukens","year":"2020","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib43","doi-asserted-by":"crossref","first-page":"891","DOI":"10.1016\/j.jacep.2016.12.017","article-title":"The electrophysiological substrate of early repolarization syndrome: noninvasive mapping in patients","volume":"3","author":"Zhang","year":"2017","journal-title":"JACC Clin Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib44","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1152\/physrev.00002.2005","article-title":"Molecular physiology of cardiac repolarization","volume":"85","author":"Nerbonne","year":"2005","journal-title":"Physiol Rev"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib45","doi-asserted-by":"crossref","first-page":"365","DOI":"10.3389\/fphys.2016.00365","article-title":"Reduced sodium current in the lateral ventricular wall induces inferolateral J-waves","volume":"7","author":"Meijborg","year":"2016","journal-title":"Front Physiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib46","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/j.hrthm.2010.09.066","article-title":"ST segment elevation by current-to-load mismatch","volume":"8","author":"Hoogendijk","year":"2011","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib47","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1161\/CIRCEP.109.904763","article-title":"The pathophysiological basis of fractionated and complex electrograms and the impact of recording techniques on their detection and interpretation","volume":"3","author":"de Bakker","year":"2010","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib48","doi-asserted-by":"crossref","first-page":"3069","DOI":"10.1161\/hc5001.100833","article-title":"Activation delay after premature stimulation in chronically diseased human myocardium relates to the architecture of interstitial fibrosis","volume":"104","author":"Kawara","year":"2001","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib49","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1016\/j.amjcard.2021.09.035","article-title":"Incidence and Implications of J waves Observed during Coronary Angiography","volume":"163","author":"Sakaguchi","year":"2022","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib50","doi-asserted-by":"crossref","first-page":"612","DOI":"10.1016\/j.jacc.2008.10.044","article-title":"Characteristics of recurrent ventricular fibrillation associated with inferolateral early repolarization role of drug therapy","volume":"53","author":"Haissaguerre","year":"2009","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib51","doi-asserted-by":"crossref","first-page":"1015","DOI":"10.1016\/j.jacc.2013.05.030","article-title":"Electrical storm in idiopathic ventricular fibrillation is associated with early repolarization","volume":"62","author":"Aizawa","year":"2013","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib52","doi-asserted-by":"crossref","first-page":"1970","DOI":"10.1016\/j.hrthm.2012.08.003","article-title":"Heterogeneous response of J-wave syndromes to beta-adrenergic stimulation","volume":"9","author":"Roten","year":"2012","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib53","doi-asserted-by":"crossref","first-page":"352","DOI":"10.1016\/j.hrthm.2004.04.006","article-title":"25-year control of idiopathic ventricular fibrillation with electrophysiologic-guided antiarrhythmic drug therapy","volume":"1","author":"Belhassen","year":"2004","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib54","doi-asserted-by":"crossref","first-page":"5083","DOI":"10.1016\/j.ijcard.2013.07.187","article-title":"Efficacy and safety of bepridil for prevention of ICD shocks in patients with Brugada syndrome and idiopathic ventricular fibrillation","volume":"168","author":"Aizawa","year":"2013","journal-title":"Int J Cardiol"},{"key":"10.1016\/j.hrthm.2026.03.1892_bib55","doi-asserted-by":"crossref","first-page":"698","DOI":"10.1046\/j.1540-8167.2002.00698.x","article-title":"Prevention of ventricular fibrillation by cilostazol, an oral phosphodiesterase inhibitor, in a patient with Brugada syndrome","volume":"13","author":"Tsuchiya","year":"2002","journal-title":"J Cardiovasc Electrophysiol"}],"container-title":["Heart Rhythm"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S154752712602148X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S154752712602148X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T08:38:23Z","timestamp":1787733503000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S154752712602148X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9]]},"references-count":55,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2026,9]]}},"alternative-id":["S154752712602148X"],"URL":"https:\/\/doi.org\/10.1016\/j.hrthm.2026.03.1892","relation":{},"ISSN":["1547-5271"],"issn-type":[{"value":"1547-5271","type":"print"}],"subject":[],"published":{"date-parts":[[2026,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Differential responses of J waves to heart rate changes in idiopathic ventricular fibrillation and the general population in Japan","name":"articletitle","label":"Article Title"},{"value":"Heart Rhythm","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.hrthm.2026.03.1892","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Heart Rhythm Society. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}