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transient cerebral isolation

File:Transient_ischemic_attack_by_hariadhi_dedicated_to_my_dad.svg · Wikimedia Commons · See Wikimedia Commons

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transient cerebral isolation

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Also known as TIA, transient ischemic attack, transient cerebral ischaemia, transient cerebral ischaemia NOS, transient cerebral ischemia, transient ischemic attacks, ischemic attack, transient, mini-stroke

neurological dysfunction by transient ischemia

Key facts

Other names
Mini-stroke, mild stroke
Specialty
Neurology , Vascular surgery
Prognosis
Survival rate 91% (to hospital discharge) , 67.2% (five years)

via Wikipedia infobox

~23 min read

Encyclopedic overview

A transient ischemic attack (TIA), commonly known as mini-stroke, is a temporary, or transient, stroke with noticeable symptoms that end within 24 hours. A TIA causes the same symptoms of stroke, such as weakness or numbness on one side of the body, sudden dimming or loss of vision, difficulty speaking or understanding language, and slurred speech.

All forms of stroke, including a TIA, result from a disruption in blood flow to the central nervous system. A TIA is caused by a temporary disruption in blood flow to the brain, or cerebral blood flow (CBF). The primary difference between a major stroke and a TIA's minor stroke is how much tissue death (infarction) can be detected afterwards through medical imaging. While a TIA must by definition be associated with symptoms, strokes can also be asymptomatic or silent. In a silent stroke, also known as a silent cerebral infarct (SCI), there is permanent infarction detectable on imaging, but there are no immediately observable symptoms. The same person can have major strokes, minor strokes, and silent strokes, in any order.

Excerpted from Wikipedia’s “transient cerebral isolation” article, available under the CC BY-SA 4.0 licence.