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Transient Ischemic Attack

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Transient Ischemic Attack Definition


Transient ischemic attack (TIA) refers to temporary brain dysfunction. It lasts no longer than 24 hours. TIA is due to a shortage of blood and oxygen to the brain. It sometimes is referred to as a mini-stroke. TIA is a serious condition. It serves as a warning for a stroke. About 30% of stroke patients have had a TIA at some point in the past.

Blood Supply to the Brain

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