{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T08:08:39Z","timestamp":1778659719981,"version":"3.51.4"},"reference-count":9,"publisher":"Oxford University Press (OUP)","issue":"951","license":[{"start":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T00:00:00Z","timestamp":1104537600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2005,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>A 53 year old athlete with a history of severe palpitations and lightheadedness presented for a second opinion. He was found to exhibit very frequent atrial ectopy, frequent runs of symptomatic atrial tachyarrhythmia, and sinus bradycardia at rest. During exercise testing, his tachyarrhythmias increased in relation to the duration and intensity of exercise. A therapeutic trial of de-training was suggested. As a result, his symptoms completely resolved with a marked reduction in the frequency of atrial arrhythmia. Repeat exercise testing revealed an excellent exercise tolerance with no atrial ectopy. De-training should be considered when athletes present with arrhythmias.<\/jats:p>","DOI":"10.1136\/pgmj.2004.021493","type":"journal-article","created":{"date-parts":[[2005,1,7]],"date-time":"2005-01-07T21:03:06Z","timestamp":1105131786000},"page":"62-64","source":"Crossref","is-referenced-by-count":7,"title":["Arrhythmias in an athlete: the effect of de-training"],"prefix":"10.1093","volume":"81","author":[{"given":"O A","family":"Obel","sequence":"first","affiliation":[{"name":"Royal Sussex County Hospital , Brighton , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C","family":"Davidson","sequence":"additional","affiliation":[{"name":"Royal Sussex County Hospital , Brighton , UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2005,1,7]]},"reference":[{"key":"2023042408153179600_R1","doi-asserted-by":"crossref","first-page":"591","DOI":"10.1016\/S0140-6736(84)90593-2","article-title":"Bradycardia, ventricular pauses, syncope, and sports","volume":"ii","author":"Ector","year":"1984","journal-title":"Lancet"},{"key":"2023042408153179600_R2","doi-asserted-by":"crossref","first-page":"1435","DOI":"10.1161\/01.CIR.87.5.1435","article-title":"The thyroid and the heart","volume":"87","author":"Polikar","year":"1993","journal-title":"Circulation"},{"key":"2023042408153179600_R3","doi-asserted-by":"crossref","first-page":"1709","DOI":"10.1016\/0003-4975(95)00718-0","article-title":"Atrial fibrillation after coronary artery bypass grafting is associated with sympathetic activation","volume":"60","author":"Kalman","year":"1995","journal-title":"Ann Thorac Surg"},{"key":"2023042408153179600_R4","first-page":"S63","article-title":"Atrial fibrillation in elite athletes","volume":"9","author":"Furlanello","year":"1998","journal-title":"J Cardiovasc Electrophysiol"},{"key":"2023042408153179600_R5","doi-asserted-by":"crossref","first-page":"1784","DOI":"10.1136\/bmj.316.7147.1784","article-title":"Lone atrial fibrillation in vigorously exercising middle aged men: case-control study","volume":"316","author":"Karjalainen","year":"1998","journal-title":"BMJ"},{"key":"2023042408153179600_R6","doi-asserted-by":"crossref","first-page":"999","DOI":"10.1111\/j.1540-8167.1996.tb00474.x","article-title":"Autonomic influences in atrial tachyarrhythmias","volume":"7","author":"Coumel","year":"1996","journal-title":"J Cardiovasc Electrophysiol"},{"key":"2023042408153179600_R7","doi-asserted-by":"crossref","first-page":"1185","DOI":"10.1161\/01.CIR.101.10.1185","article-title":"Atrial fibrillation produced by prolonged rapid atrial pacing is associated with heterogeneous changes in atrial sympathetic innervation","volume":"101","author":"Jayachandran","year":"2000","journal-title":"Circulation"},{"key":"2023042408153179600_R8","doi-asserted-by":"crossref","first-page":"552","DOI":"10.1016\/0735-1097(92)90007-A","article-title":"Comparison of 24-hour parasympathetic activity in endurance-trained and untrained young men","volume":"20","author":"Goldsmith","year":"1992","journal-title":"J Am Coll Cardiol"},{"key":"2023042408153179600_R9","first-page":"2953","article-title":"Pacing-induced chronic atrial fibrillation impairs sinus node function in dogs","volume":"94","author":"Elvan","year":"1996","journal-title":"Electrophysiological remodeling. 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