{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T21:40:11Z","timestamp":1759095611268,"version":"3.44.0"},"reference-count":32,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2023,3,1]],"date-time":"2023-03-01T00:00:00Z","timestamp":1677628800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,3,1]],"date-time":"2023-03-01T00:00:00Z","timestamp":1677628800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,12,4]],"date-time":"2022-12-04T00:00:00Z","timestamp":1670112000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004191","name":"Novo Nordisk","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004191","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005860","name":"Helsefonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100005860","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004326","name":"Bayer","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004326","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100009708","name":"Novo Nordisk Fonden","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100009708","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","internationaljournalofcardiology.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Cardiology"],"published-print":{"date-parts":[[2023,3]]},"DOI":"10.1016\/j.ijcard.2022.12.004","type":"journal-article","created":{"date-parts":[[2022,12,7]],"date-time":"2022-12-07T11:11:31Z","timestamp":1670411491000},"page":"42-50","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"special_numbering":"C","title":["Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services"],"prefix":"10.1016","volume":"374","author":[{"given":"Nertila","family":"Zylyftari","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina Ji-Young","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Filip","family":"Gnesin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amalie Lykkemark","family":"M\u00f8ller","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elisabeth Helen Anna","family":"Mills","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sidsel G.","family":"M\u00f8ller","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Britta","family":"Jensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristian Bundgaard","family":"Ringgren","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kristian","family":"Kragholm","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Helle Collatz","family":"Christensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stig Nikolaj Fasmer","family":"Blomberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hanno L.","family":"Tan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fredrik","family":"Folke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lars","family":"K\u00f8ber","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gunnar","family":"Gislason","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christian","family":"Torp-Pedersen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"13","key":"10.1016\/j.ijcard.2022.12.004_bb0005","doi-asserted-by":"crossref","first-page":"1377","DOI":"10.1001\/jama.2013.278483","article-title":"Association of National Initiatives to improve cardiac arrest management with rates of bystander intervention and patient survival after out-of-hospital cardiac arrest","volume":"310","author":"Wissenberg","year":"2013","journal-title":"JAMA"},{"issue":"3","key":"10.1016\/j.ijcard.2022.12.004_bb0010","doi-asserted-by":"crossref","first-page":"369","DOI":"10.1046\/j.1540-8167.2001.00369.x","article-title":"Sudden cardiac death: exploring the limits of our knowledge","volume":"12","author":"Myerburg","year":"2001","journal-title":"J. Cardiovasc. Electrophysiol."},{"issue":"12","key":"10.1016\/j.ijcard.2022.12.004_bb0015","doi-asserted-by":"crossref","first-page":"1657","DOI":"10.1016\/j.resuscitation.2010.06.025","article-title":"Pharmacotherapy and hospital admissions before out-of-hospital cardiac arrest: a nationwide study","volume":"81","author":"Weeke","year":"2010","journal-title":"Resuscitation"},{"issue":"5","key":"10.1016\/j.ijcard.2022.12.004_bb0020","doi-asserted-by":"crossref","first-page":"584","DOI":"10.1016\/j.resuscitation.2011.10.024","article-title":"Hospital admissions and pharmacotherapy before out-of-hospital cardiac arrest according to age","volume":"83","author":"Weeke","year":"2012","journal-title":"Resuscitation"},{"key":"10.1016\/j.ijcard.2022.12.004_bb0025","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1016\/j.resuscitation.2019.04.033","article-title":"Health care utilization prior to out-of-hospital cardiac arrest: a population-based study","volume":"141","author":"Shuvy","year":"2019","journal-title":"Resuscitation"},{"issue":"11","key":"10.1016\/j.ijcard.2022.12.004_bb0030","doi-asserted-by":"crossref","first-page":"1146","DOI":"10.1161\/CIRCULATIONAHA.106.616318","article-title":"How sudden is sudden cardiac death?","volume":"114","author":"M\u00fcller","year":"2006","journal-title":"Circulation"},{"issue":"5","key":"10.1016\/j.ijcard.2022.12.004_bb0035","doi-asserted-by":"crossref","first-page":"558","DOI":"10.1016\/j.resuscitation.2012.10.006","article-title":"Prodromal symptoms of out-of-hospital cardiac arrests: a report from a large-scale population-based cohort study","volume":"84","author":"Nishiyama","year":"2013","journal-title":"Resuscitation"},{"issue":"7","key":"10.1016\/j.ijcard.2022.12.004_bb0040","doi-asserted-by":"crossref","first-page":"864","DOI":"10.1016\/j.resuscitation.2014.03.300","article-title":"Prodromal symptoms and health care consumption prior to out-of-hospital cardiac arrest in patients without previously known ischaemic heart disease","volume":"85","author":"H\u00f6glund","year":"2014","journal-title":"Resuscitation"},{"issue":"1","key":"10.1016\/j.ijcard.2022.12.004_bb0045","doi-asserted-by":"crossref","first-page":"23","DOI":"10.7326\/M14-2342","article-title":"Warning symptoms are associated with survival from sudden cardiac arrest","volume":"164","author":"Marijon","year":"2016","journal-title":"Ann. Intern. Med."},{"key":"10.1016\/j.ijcard.2022.12.004_bb0050","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1016\/j.resuscitation.2020.02.042","article-title":"Epidemiology and outcome of emergency medical service witnessed out-of-hospital-cardiac arrest by prodromal symptom: Nationwide observational study","volume":"150","author":"Lee","year":"2020","journal-title":"Resuscitation"},{"issue":"1","key":"10.1016\/j.ijcard.2022.12.004_bb0055","doi-asserted-by":"crossref","first-page":"100","DOI":"10.1186\/s13049-019-0676-5","article-title":"The Danish prehospital emergency healthcare system and research possibilities","volume":"27","author":"Lindskou","year":"2019","journal-title":"Scand. J. Trauma Resusc. Emerg. Med."},{"issue":"1","key":"10.1016\/j.ijcard.2022.12.004_bb0065","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1186\/1757-7241-21-53","article-title":"Implementing a nationwide criteria-based emergency medical dispatch system: a register-based follow-up study","volume":"21","author":"Andersen","year":"2013","journal-title":"Scand. J. Trauma Resusc. Emerg. Med."},{"issue":"8","key":"10.1016\/j.ijcard.2022.12.004_bb0070","doi-asserted-by":"crossref","first-page":"541","DOI":"10.1007\/s10654-014-9930-3","article-title":"The Danish civil registration system as a tool in epidemiology","volume":"29","author":"Schmidt","year":"2014","journal-title":"Eur. J. Epidemiol."},{"issue":"7_suppl","key":"10.1016\/j.ijcard.2022.12.004_bb0075","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1177\/1403494811401482","article-title":"The Danish National Patient Register","volume":"39","author":"Lynge","year":"2011","journal-title":"Scand. J. Public Health"},{"issue":"7_suppl","key":"10.1016\/j.ijcard.2022.12.004_bb0080","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1177\/1403494810394717","article-title":"The Danish National Prescription Registry","volume":"39","author":"Wallach Kildemoes","year":"2011","journal-title":"Scand. J. Public Health"},{"issue":"7_suppl","key":"10.1016\/j.ijcard.2022.12.004_bb0085","doi-asserted-by":"crossref","first-page":"22","DOI":"10.1177\/1403494810387965","article-title":"The Danish civil registration system","volume":"39","author":"Pedersen","year":"2011","journal-title":"Scand. J. Public Health"},{"issue":"7_suppl","key":"10.1016\/j.ijcard.2022.12.004_bb0090","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1177\/1403494811399958","article-title":"The Danish register of causes of death","volume":"39","author":"Helweg-Larsen","year":"2011","journal-title":"Scand. J. Public Health"},{"issue":"7_suppl","key":"10.1016\/j.ijcard.2022.12.004_bb0095","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1177\/1403494810394715","article-title":"Danish education registers","volume":"39","author":"Jensen","year":"2011","journal-title":"Scand. J. Public Health"},{"key":"10.1016\/j.ijcard.2022.12.004_bb0100","series-title":"OECD Handbook for Internationally Comparative Education Statistics","first-page":"67","article-title":"Definition and classification of educational programmes: the practical implementation of ISCED 2011","author":"OECD","year":"2017"},{"issue":"2","key":"10.1016\/j.ijcard.2022.12.004_bb0105","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1016\/S0196-0644(00)70133-8","article-title":"Cardiac arrest witnessed by emergency medical services personnel: descriptive epidemiology, prodromal symptoms, and predictors of survival","volume":"35","author":"De Maio","year":"2000","journal-title":"Ann. Emerg. Med."},{"year":"2019","series-title":"R: A Language and Environment for Statistical Computing","author":"R Core Team","key":"10.1016\/j.ijcard.2022.12.004_bb0110"},{"issue":"23","key":"10.1016\/j.ijcard.2022.12.004_bb0115","doi-asserted-by":"crossref","DOI":"10.1161\/JAHA.121.021827","article-title":"Contacts with the health care system before out-of-hospital cardiac arrest","volume":"10","author":"Zylyftari","year":"2021","journal-title":"J. Am. Heart Assoc."},{"issue":"2","key":"10.1016\/j.ijcard.2022.12.004_bb0120","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0213145","article-title":"Symptom, diagnosis and mortality among respiratory emergency medical service patients","volume":"14","author":"Lindskou","year":"2019","journal-title":"PLoS One"},{"issue":"12","key":"10.1016\/j.ijcard.2022.12.004_bb0125","doi-asserted-by":"crossref","first-page":"1256","DOI":"10.1002\/clc.22819","article-title":"Clinical outcomes according to symptom presentation in patients with acute myocardial infarction: results from the FAST-MI 2010 registry","volume":"40","author":"Puymirat","year":"2017","journal-title":"Clin. Cardiol."},{"key":"10.1016\/j.ijcard.2022.12.004_bb0130","first-page":"1","article-title":"Prehospital predictors of atypical STEMI symptoms","author":"Taylor","year":"2021","journal-title":"Prehosp. Emerg. Care"},{"issue":"3","key":"10.1016\/j.ijcard.2022.12.004_bb0135","doi-asserted-by":"crossref","first-page":"2706","DOI":"10.1016\/j.ijcard.2013.03.022","article-title":"Multivariate analysis of predictors of pre-hospital delay in acute coronary syndrome","volume":"168","author":"McKee","year":"2013","journal-title":"Int. J. Cardiol."},{"issue":"7","key":"10.1016\/j.ijcard.2022.12.004_bb0140","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1111\/jce.12674","article-title":"Symptoms before sudden arrhythmic death syndrome: a Nationwide study among the young in Denmark: symptoms before SADS","volume":"26","author":"Glinge","year":"2015","journal-title":"J. Cardiovasc. Electrophysiol."},{"issue":"13","key":"10.1016\/j.ijcard.2022.12.004_bb0145","doi-asserted-by":"crossref","first-page":"1703","DOI":"10.1161\/CIRCULATIONAHA.108.798314","article-title":"Syncope and risk of sudden death in hypertrophic cardiomyopathy","volume":"119","author":"Spirito","year":"2009","journal-title":"Circulation"},{"issue":"11","key":"10.1016\/j.ijcard.2022.12.004_bb0150","doi-asserted-by":"crossref","first-page":"1134","DOI":"10.1161\/CIRCULATIONAHA.106.647933","article-title":"Sudden cardiac death: better understanding of risks, mechanisms, and treatment","volume":"114","author":"Lopshire","year":"2006","journal-title":"Circulation"},{"issue":"1","key":"10.1016\/j.ijcard.2022.12.004_bb0155","doi-asserted-by":"crossref","first-page":"E1","DOI":"10.1097\/JCN.0000000000000207","article-title":"Impact of prodromal symptoms on future adverse cardiac-related events: a systematic review","volume":"31","author":"O\u2019Keefe-McCarthy","year":"2016","journal-title":"J. Cardiovasc. Nurs."},{"issue":"1","key":"10.1016\/j.ijcard.2022.12.004_bb0160","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1186\/s12873-022-00597-6","article-title":"The \u2018unclear problem\u2019 category: an analysis of its patient and dispatch characteristics and its trend over time","volume":"22","author":"Otten","year":"2022","journal-title":"BMC Emerg. Med."},{"key":"10.1016\/j.ijcard.2022.12.004_bb0165","doi-asserted-by":"crossref","first-page":"180","DOI":"10.1016\/j.resuscitation.2019.07.008","article-title":"Out-of-hospital cardiac arrest in patients with psychiatric disorders \u2014 characteristics and outcomes","volume":"143","author":"Barcella","year":"2019","journal-title":"Resuscitation"}],"container-title":["International Journal of Cardiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167527322018757?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0167527322018757?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T21:00:01Z","timestamp":1759093201000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0167527322018757"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,3]]},"references-count":32,"alternative-id":["S0167527322018757"],"URL":"https:\/\/doi.org\/10.1016\/j.ijcard.2022.12.004","relation":{},"ISSN":["0167-5273"],"issn-type":[{"type":"print","value":"0167-5273"}],"subject":[],"published":{"date-parts":[[2023,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Registered prodromal symptoms of out-of-hospital cardiac arrest among patients calling the medical helpline services","name":"articletitle","label":"Article Title"},{"value":"International Journal of Cardiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ijcard.2022.12.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2022 The Author(s). Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}