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This condition, termed as lone AF, may be responsible for as many as 30% of patients with paroxysmal AF seeking medical attention. Recent studies suggest that long-term endurance exercise may increase the incidence of AF and atrial flutter (AFl) in this population. This review article is intended to analyse the prevalence of AF and AFl, the pathophysiological mechanisms responsible for the association between endurance sport practice and AF or AFl and the recommended therapeutic options in endurance athletes.<\/jats:p>","DOI":"10.1136\/bjsports-2012-091171","type":"journal-article","created":{"date-parts":[[2012,10,24]],"date-time":"2012-10-24T08:08:32Z","timestamp":1351066112000},"page":"i37-i43","source":"Crossref","is-referenced-by-count":73,"title":["Atrial fibrillation and atrial flutter in athletes"],"prefix":"10.1136","volume":"46","author":[{"given":"Naiara","family":"Calvo","sequence":"first","affiliation":[{"name":"Arrhythmia Unit, Department of Cardiology and Cardiovascular Surgery, University of Navarra, Navarra, Pamplona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Josep","family":"Brugada","sequence":"additional","affiliation":[{"name":"Thorax Institute, Hospital Cl\u00ednic, University of Barcelona, 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