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In this case report, we present a slow flow phenomenon that extended from the right external iliac artery to the distal peripheral bed observed during peripheral angiography in a patient who exhibited pain and claudication in the right lower extremity after walking 50\u2009m. Medical treatment provided symptomatic improvement in coronary slow flow and led to a decrease in claudication. Future randomised controlled studies conducted on patients with suspected peripheral slow flow phenomenon would increase our knowledge on both the aetiology and treatment of this condition.<\/jats:p>","DOI":"10.1136\/bcr-2020-235686","type":"journal-article","created":{"date-parts":[[2020,9,11]],"date-time":"2020-09-11T02:25:35Z","timestamp":1599791135000},"page":"e235686","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Unilateral peripheral slow flow phenomenon without significant stenosis in lower extremity artery: can primary peripheral slow flow be a new phenomenon?"],"prefix":"10.1136","volume":"13","author":[{"given":"Ercan","family":"Ak\u015fit","sequence":"first","affiliation":[{"name":"Cardiology, \u00c7anakkale Onsekiz Mart University, Canakkale, 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