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LMS is often missed as the cause of autonomic dysregulation in patients with recent brain stem stroke. Due to the location of the nucleus tractus solitarius (NTS), the dorsal vagal nucleus, and the nucleus ambiguous in the lateral medulla oblongata, patients with LMS occasionally have autonomic dysregulation\u2013associated clinical manifestations. We report a case of LMS-associated autonomic dysregulation. The case presented by recurrent syncope, requiring permanent pacemaker placement. This case shows the importance of recognizing LMS as a potential cause of life-threatening arrhythmias, heart block, and symptomatic bradycardia. Extended cardiac monitoring should be considered for patients with medullary strokes.\n<\/jats:p>","DOI":"10.1007\/s10072-022-06306-2","type":"journal-article","created":{"date-parts":[[2022,8,4]],"date-time":"2022-08-04T14:08:48Z","timestamp":1659622128000},"page":"6555-6559","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Sinus arrest following acute lateral medullary infarction"],"prefix":"10.1007","volume":"43","author":[{"given":"Taha K.","family":"Alloush","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adel T.","family":"Alloush","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammed","family":"Sami","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hossam M.","family":"Shokri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2022,8,4]]},"reference":[{"key":"6306_CR1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1177\/1756286418759864","volume":"11","author":"H Kim","year":"2018","unstructured":"Kim H, Lee HJ, Park JW (2018) Clinical course and outcome in patients with severe dysphagia after lateral medullary syndrome. 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