{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T20:53:33Z","timestamp":1782161613923,"version":"3.54.5"},"reference-count":3,"publisher":"Elsevier BV","issue":"20","license":[{"start":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:00:00Z","timestamp":1777593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T00:00:00Z","timestamp":1777593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T00:00:00Z","timestamp":1775088000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jacc.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JACC: Case Reports"],"published-print":{"date-parts":[[2026,5]]},"DOI":"10.1016\/j.jaccas.2026.108036","type":"journal-article","created":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T19:45:26Z","timestamp":1779306326000},"page":"108036","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Spiked Helmet Sign"],"prefix":"10.1016","volume":"31","author":[{"given":"Arjun","family":"Patel","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nisha","family":"Palla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Abraham","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luka","family":"Petrovic","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jaccas.2026.108036_bib1","doi-asserted-by":"crossref","first-page":"272","DOI":"10.31083\/j.rcm2409272","article-title":"Spiked helmet sign: an uncommon electrocardiographic marker","volume":"24","author":"Wang","year":"2023","journal-title":"Rev Cardiovasc Med"},{"key":"10.1016\/j.jaccas.2026.108036_bib2","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.jelectrocard.2020.08.005","article-title":"The \u201cspiked-helmet\u201d sign in patients with myocardial injury","volume":"73","author":"Lin","year":"2022","journal-title":"J Electrocardiol"},{"key":"10.1016\/j.jaccas.2026.108036_bib3","doi-asserted-by":"crossref","DOI":"10.1016\/j.cpcardiol.2022.101535","article-title":"Spiked helmet electrocardiographic sign: a systematic review of case reports","volume":"48","author":"Mahmoudi","year":"2023","journal-title":"Curr Probl Cardiol"}],"container-title":["JACC: Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666084926011952?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666084926011952?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T20:12:07Z","timestamp":1782159127000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2666084926011952"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,5]]},"references-count":3,"journal-issue":{"issue":"20","published-print":{"date-parts":[[2026,5]]}},"alternative-id":["S2666084926011952"],"URL":"https:\/\/doi.org\/10.1016\/j.jaccas.2026.108036","relation":{},"ISSN":["2666-0849"],"issn-type":[{"value":"2666-0849","type":"print"}],"subject":[],"published":{"date-parts":[[2026,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The Spiked Helmet Sign","name":"articletitle","label":"Article Title"},{"value":"JACC: Case Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jaccas.2026.108036","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.","name":"copyright","label":"Copyright"}],"article-number":"108036"}}