TRANSIENT ISCHEMIC ATTACK

WordNet Dictionary

	Definition:	[n] brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage

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	Synonyms:	TIA

	See Also:	ischaemia, ischemia

Medical Dictionary

	Definition:	a stroke-like event that lasts for a short period of time caused by a blocked blood vessel.

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Biology Dictionary

	Definition:	A transient ischemic attack is characterized by transient (lasting less than 24 hours) manifestations of focal ischemic cerebral neurologic deficits. Patients with TIA's are at risk to have strokes.

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