transient ischemic attack

transient ischemic attack

noun Pathology.
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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American Heritage
Medical Dictionary

transient ischemic attack n.
Abbr. TIA
A temporary blockage of the blood supply to the brain caused by a blood clot 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. Also called ministroke.

The American Heritage® Stedman's Medical Dictionary
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