Department of Emergency Medicine

UMEM Educational Pearls

Category: Neurology

Title: Horner's Syndrome

Keywords: Horner's, Horner's Syndrome, Infarction (PubMed Search)

Posted: 10/3/2007 by Aisha Liferidge, MD (Updated: 4/18/2024)
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Horner's Syndrome Deficit in descending sympathetic pathways Miosis + Ptosis + Anhidrosis Associated with lateral medullary infarctions, which are caused by disrupted flow to the posterior inferior cerebral artery (PCA) (i.e. Wallenberg Syndrome)

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