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Definition of Transient ischemic attack
1. Noun. Brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage.
Definition of Transient ischemic attack
1. Noun. (medicine) A temporary cessation or reduction of blood supply to part of the brain, resulting in brief neurologic dysfunction that usually persists for less than 24 hours. ¹
¹ Source: wiktionary.com
Medical Definition of Transient ischemic attack
1. A sudden focal loss of neurological function with complete recovery usually within 24 hours; caused by a brief period of inadequate perfusion in a portion of the territory of the carotid or vertebral basilar arteries. (05 Mar 2000)