{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T16:33:51Z","timestamp":1758299631558,"version":"3.44.0"},"reference-count":4,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,7,1]],"date-time":"2021-07-01T00:00:00Z","timestamp":1625097600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Electrocardiology"],"published-print":{"date-parts":[[2021,7]]},"DOI":"10.1016\/j.jelectrocard.2021.05.008","type":"journal-article","created":{"date-parts":[[2021,5,25]],"date-time":"2021-05-25T11:49:33Z","timestamp":1621943373000},"page":"71-72","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Shorter post pacing interval during initiation of regular narrow QRS tachycardia. What is the mechanism?"],"prefix":"10.1016","volume":"67","author":[{"given":"Krishna Kumar Mohanan","family":"Nair","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nitin Kumar","family":"Parashar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali","family":"Shafeeq","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Narayanan","family":"Namboodiri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ajitkumar","family":"Valaparambil","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"3","key":"10.1016\/j.jelectrocard.2021.05.008_bb0005","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1016\/j.hrthm.2011.10.015","article-title":"Tachycardia induction with ventricular extra stimuli differentiates atypical atrioventricular nodal reentrant tachycardia from orthodromic reciprocating tachycardia","volume":"9","author":"Obeyesekere","year":"2012","journal-title":"Heart Rhythm"},{"issue":"4","key":"10.1016\/j.jelectrocard.2021.05.008_bb0010","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.116.004560","article-title":"Challenges and pitfalls of entrainment mapping of ventricular tachycardia: ten illustrative concepts","volume":"10","author":"Tung","year":"2017","journal-title":"Circ Arrhythm Electrophysiol"},{"issue":"3","key":"10.1016\/j.jelectrocard.2021.05.008_bb0015","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCEP.118.006955","article-title":"Electrophysiological and anatomical correlates of sites with postpacing intervals shorter than tachycardia cycle length in atypical atrial flutter","volume":"12","author":"Johner","year":"2019","journal-title":"Circ Arrhythm Electrophysiol"},{"key":"10.1016\/j.jelectrocard.2021.05.008_bb0020","doi-asserted-by":"crossref","first-page":"1052","DOI":"10.1016\/0002-9149(78)90857-3","article-title":"Electrophysiologic characteristics of concealed bypass tracts: clinical and electrocardiographic correlates","volume":"41","author":"Farshidi","year":"1978","journal-title":"Am J Cardiol"}],"container-title":["Journal of Electrocardiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022073621001102?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022073621001102?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T12:32:38Z","timestamp":1758285158000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022073621001102"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7]]},"references-count":4,"alternative-id":["S0022073621001102"],"URL":"https:\/\/doi.org\/10.1016\/j.jelectrocard.2021.05.008","relation":{},"ISSN":["0022-0736"],"issn-type":[{"type":"print","value":"0022-0736"}],"subject":[],"published":{"date-parts":[[2021,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Shorter post pacing interval during initiation of regular narrow QRS tachycardia. What is the mechanism?","name":"articletitle","label":"Article Title"},{"value":"Journal of Electrocardiology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jelectrocard.2021.05.008","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}