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Transient Ischemic Attack
Definition 1
A brief attack (from a few minutes to an hour) of cerebral dysfunction of vascular origin, with no persistent neurological deficit. (NCI Thesaurus)
Definition 2
A disorder characterized by a brief attack (less than 24 hours) of cerebral dysfunction of vascular origin, with no persistent neurological deficit. (NCI Thesaurus/CTCAE)
More information
A transient ischemic attack (TIA) is a stroke that comes and goes quickly. It happens when the blood supply to part of the brain stops briefly. Symptoms of a TIA are like other stroke symptoms, but do not last as long. They happen suddenly, and include
• Numbness or weakness, especially on one side of the body
• Confusion or trouble speaking or understanding speech
• Trouble seeing in one or both eyes
• Loss of balance or coordination
Most symptoms of a TIA disappear within an hour, although they may last for up to 24 hours. Because you cannot tell if these symptoms are from a TIA or a stroke, you should get to the hospital quickly.
TIAs are often a warning sign for future strokes. Taking medicine, such as blood thinners, may reduce your risk of a stroke. Your doctor might also recommend surgery. (NIH: National Institute of Neurological Disorders and Stroke)
Also called: Mini-Stroke, Mini-stroke, TIA
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