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transient ischemic attack

noun Pathology.
  1. a brief vascular spasm in which a partially blocked artery impedes blood flow to the brain, resulting in symptoms such as impaired vision, dizziness, numbness, or unconsciousness. Abbreviation: TIA
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

transient ischemic attack in Medicine

transient ischemic attack

n.
  1. A temporary blockage of the blood supply to the brain, typically caused by an embolus and usually lasting ten minutes or less, during which dizziness, blurring of vision, numbness on one side of the body, and other symptoms of a stroke may occur.ministroke
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.