| 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 |
| transient ischemic attack n. 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. |
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.