{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,25]],"date-time":"2026-02-25T09:42:44Z","timestamp":1772012564888,"version":"3.50.1"},"reference-count":14,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2004,5,1]],"date-time":"2004-05-01T00:00:00Z","timestamp":1083369600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2004,5,1]],"date-time":"2004-05-01T00:00:00Z","timestamp":1083369600000},"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":[[2004,5]]},"DOI":"10.1016\/j.hrthm.2004.02.004","type":"journal-article","created":{"date-parts":[[2005,2,9]],"date-time":"2005-02-09T21:06:22Z","timestamp":1107983182000},"page":"82-87","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":19,"title":["Typical counterclockwise atrial flutter occurring despite absence of the inferior vena cava"],"prefix":"10.1016","volume":"1","author":[{"given":"Niraj","family":"Varma","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert C","family":"Gilkeson","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Albert L","family":"Waldo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.hrthm.2004.02.004_BIB1","series-title":"Embryology; the somatic veins: the inferior vena cava. Gray\u2019s Anatomy","first-page":"164","year":"1973"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB2","series-title":"Cardiovascular system: veins. Hamilton, Boyd and Mossman\u2019s Human Embryology","first-page":"272","author":"Hamilton","year":"1976"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB3","doi-asserted-by":"crossref","first-page":"206","DOI":"10.1259\/0007-1285-47-556-206","article-title":"Congenital anomalies of the inferior vena cava","volume":"47","author":"Chuang","year":"1974","journal-title":"Br J Radiol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB4","doi-asserted-by":"crossref","first-page":"339","DOI":"10.2214\/ajr.140.2.339","article-title":"Anomalies of the inferior vena cava","volume":"140","author":"Mayo","year":"1983","journal-title":"Am J Roentgenol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB5","doi-asserted-by":"crossref","first-page":"581","DOI":"10.1016\/0002-9149(94)90338-7","article-title":"Asplenia syndrome","volume":"73","author":"Phoon","year":"1994","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB6","doi-asserted-by":"crossref","first-page":"407","DOI":"10.1161\/01.CIR.94.3.407","article-title":"Role of the tricuspid annulus and the eustachian valve\/ridge on atrial flutter","volume":"94","author":"Nakagawa","year":"1996","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB7","doi-asserted-by":"crossref","first-page":"1839","DOI":"10.1161\/01.CIR.92.7.1839","article-title":"Role of right atrial endocardial structures as barriers to conduction during human type I atrial flutter","volume":"92","author":"Olgin","year":"1995","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB8","doi-asserted-by":"crossref","first-page":"3017","DOI":"10.1161\/01.CIR.99.23.3017","article-title":"Angiographic anatomy of the inferior right atrial isthmus in patients with and without history of common atrial flutter","volume":"99","author":"Cabrera","year":"1999","journal-title":"Circulation"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB9","doi-asserted-by":"crossref","first-page":"727","DOI":"10.1111\/j.1540-8167.1997.tb00831.x","article-title":"Conduction properties of the inferior vena cava-tricuspid annular isthmus in patients with typical atrial flutter","volume":"7","author":"Kinder","year":"1997","journal-title":"J Cardiovasc Electrophysiol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB10","doi-asserted-by":"crossref","first-page":"785","DOI":"10.1016\/S0002-9149(98)00992-8","article-title":"Radiofrequency ablation of \u201cclass IC atrial flutter\u201d in patients with resistant atrial fibrillation","volume":"83","author":"Nabar","year":"1999","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB11","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/S0008-6363(01)00549-1","article-title":"Mechanisms of atrial flutter and atrial fibrillation","volume":"54","author":"Waldo","year":"2002","journal-title":"Cardiovasc Res"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB12","doi-asserted-by":"crossref","first-page":"501","DOI":"10.1016\/S0735-1097(10)80124-X","article-title":"Atrial activation sequence during atrial flutter in the canine pericarditis model and its correlation with the polarity of the flutter wave in the electrocardiogram","volume":"17","author":"Okumura","year":"1991","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB13","series-title":"Physiology of Atrial Pacemakers and Conductive Tissues","first-page":"261","article-title":"The relationship of atrial activation to P-wave polarity and morphology","author":"Waldo","year":"1980"},{"key":"10.1016\/j.hrthm.2004.02.004_BIB14","doi-asserted-by":"crossref","first-page":"358","DOI":"10.1046\/j.1460-9592.2002.00358.x","article-title":"Just another case of atrial fibrillation?","volume":"25","author":"Varma","year":"2002","journal-title":"Pacing Clin Electrophysiol"}],"container-title":["Heart Rhythm"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527104000086?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1547527104000086?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T06:34:58Z","timestamp":1761546898000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1547527104000086"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,5]]},"references-count":14,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2004,5]]}},"alternative-id":["S1547527104000086"],"URL":"https:\/\/doi.org\/10.1016\/j.hrthm.2004.02.004","relation":{},"ISSN":["1547-5271"],"issn-type":[{"value":"1547-5271","type":"print"}],"subject":[],"published":{"date-parts":[[2004,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Typical counterclockwise atrial flutter occurring despite absence of the inferior vena cava","name":"articletitle","label":"Article Title"},{"value":"Heart Rhythm","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.hrthm.2004.02.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2004 Heart Rhythm Society. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}