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Diagnosis of FND has shifted from a \u201crule\u2010out\u201d disorder to one now based on the recognition of positive clinical signs, allowing the ED physician to make a suspected or likely diagnosis of FND. PubMed, Google Scholar, academic books, and a hand search through review article references were used to conduct a literature review. We review clinical features and diagnostic pitfalls for the most common functional neurologic presentations to the ED, including functional limb weakness, functional (nonepileptic) seizures, and functional movement disorders. We provide practical advice for discussing FND as a possible diagnosis and suggestions for initial steps in workup and management plans.<\/jats:p>","DOI":"10.1111\/acem.14263","type":"journal-article","created":{"date-parts":[[2021,4,18]],"date-time":"2021-04-18T14:46:05Z","timestamp":1618757165000},"page":"685-696","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":46,"title":["Functional neurological disorder in the emergency department"],"prefix":"10.1111","volume":"28","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3578-9593","authenticated-orcid":false,"given":"Sara A.","family":"Finkelstein","sequence":"first","affiliation":[{"name":"Centre for Clinical Brain Sciences University of Edinburgh Edinburgh UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9209-9401","authenticated-orcid":false,"given":"Miguel 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