{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T18:59:32Z","timestamp":1762973972167,"version":"3.45.0"},"reference-count":2,"publisher":"Elsevier BV","issue":"11","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,7,14]],"date-time":"2021-07-14T00:00:00Z","timestamp":1626220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["jacc.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JACC: Case Reports"],"published-print":{"date-parts":[[2021,9]]},"DOI":"10.1016\/j.jaccas.2021.04.047","type":"journal-article","created":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T14:00:30Z","timestamp":1630504830000},"page":"1398-1399","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Now You See It\u2026."],"prefix":"10.1016","volume":"3","author":[{"given":"Emma","family":"Kealaher","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heather","family":"Edwards","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard","family":"Wheeler","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abbas","family":"Zaidi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew S.P.","family":"Sharp","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.jaccas.2021.04.047_bib1","doi-asserted-by":"crossref","first-page":"1538","DOI":"10.1016\/j.hrthm.2019.04.002","article-title":"How to use the 12-lead ECG to predict the site of origin of idiopathic ventricular arrhythmias","volume":"16","author":"Enriquez","year":"2019","journal-title":"Heart Rhythm"},{"key":"10.1016\/j.jaccas.2021.04.047_bib2","doi-asserted-by":"crossref","first-page":"201","DOI":"10.1093\/ejcts\/ezt136","article-title":"Heterotopic heart transplantation: where do we stand?","volume":"44","author":"Fl\u00e9cher","year":"2013","journal-title":"Eur J Cardiothorac Surg"}],"container-title":["JACC: Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666084921006719?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2666084921006719?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,12]],"date-time":"2025-11-12T18:48:42Z","timestamp":1762973322000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2666084921006719"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9]]},"references-count":2,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2021,9]]}},"alternative-id":["S2666084921006719"],"URL":"https:\/\/doi.org\/10.1016\/j.jaccas.2021.04.047","relation":{},"ISSN":["2666-0849"],"issn-type":[{"type":"print","value":"2666-0849"}],"subject":[],"published":{"date-parts":[[2021,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Now You See It\u2026.","name":"articletitle","label":"Article Title"},{"value":"JACC: Case Reports","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jaccas.2021.04.047","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.","name":"copyright","label":"Copyright"}]}}