{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T09:00:30Z","timestamp":1781254830679,"version":"3.54.1"},"reference-count":10,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T00:00:00Z","timestamp":1775692800000},"content-version":"vor","delay-in-days":8,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Case Reports"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Exercise\u2010induced left bundle branch block (EI\u2010LBBB) is a rare phenomenon, particularly in patients without structural heart disease. Its pathophysiology remains poorly understood and there are no defined treatment protocols. We report a 77\u2010year\u2010old man with a history of syncope who developed EI\u2010LBBB during a cardiac stress test, with transient electrocardiographic changes that resolved at rest. Coronary angiography revealed only a mild\u2013moderate (approximately 25%\u201350%) proximal left anterior descending artery stenosis, and the rest of his cardiac evaluation was unremarkable. The patient was commenced on an aerobic exercise program, and reported symptomatic improvement on follow\u2010up. Although EI\u2010LBBB is often linked to underlying structural heart disease and coronary artery disease, it can occur in patients with normal cardiac structure. This report summarizes an approach to evaluation and follow\u2010up of EI\u2010LBBB and reviews management strategies described in the literature, including exercise training in selected patients.<\/jats:p>","DOI":"10.1002\/ccr3.72500","type":"journal-article","created":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T04:29:28Z","timestamp":1775795368000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Exercise\u2010Induced Left Bundle Branch Block in a Patient With Syncope: A Case Report"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-8970-3932","authenticated-orcid":false,"given":"Akshay","family":"Manga","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Faculty of Health Sciences University of the Witwatersrand  Johannesburg South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4104-0258","authenticated-orcid":false,"given":"Ahmed","family":"Vachiat","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Internal Medicine, Faculty of Health Sciences University of the Witwatersrand  Johannesburg South Africa"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,9]]},"reference":[{"key":"e_1_2_15_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0300\u20108932(02)76596\u20102"},{"issue":"10","key":"e_1_2_15_3_1","first-page":"613","article-title":"Painful Left Bundle\u2010Branch Block During Exertion","volume":"40","author":"Loubeyre C.","year":"1991","journal-title":"Annales de Cardiologie et d'Ang\u00e9iologie"},{"key":"e_1_2_15_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002\u20109149(85)90777\u20105"},{"key":"e_1_2_15_5_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.279.2.153"},{"key":"e_1_2_15_6_1","doi-asserted-by":"publisher","DOI":"10.1590\/S0066\u2010782X2011005000054"},{"key":"e_1_2_15_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/oxfordjournals.eurheartj.a060084"},{"key":"e_1_2_15_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/00000441\u2010198611000\u201000013"},{"key":"e_1_2_15_9_1","doi-asserted-by":"publisher","DOI":"10.1155\/2014\/204805"},{"key":"e_1_2_15_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjmed.2006.08.013"},{"key":"e_1_2_15_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrcr.2018.08.005"}],"container-title":["Clinical Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ccr3.72500","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/ccr3.72500","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ccr3.72500","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T08:42:59Z","timestamp":1781253779000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ccr3.72500"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4]]},"references-count":10,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026,4]]}},"alternative-id":["10.1002\/ccr3.72500"],"URL":"https:\/\/doi.org\/10.1002\/ccr3.72500","archive":["Portico"],"relation":{},"ISSN":["2050-0904","2050-0904"],"issn-type":[{"value":"2050-0904","type":"print"},{"value":"2050-0904","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4]]},"assertion":[{"value":"2026-01-31","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-03-31","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-04-09","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e72500"}}