TIA
Transitory
Ischemic Attack (TIA) is a reversible focal neurological deficit lasting minutes
to 24 hours. TIAs are harbingers of brain infarction, but only 10% of all
strokes are are actually preceded by TIAs. Brain imaging by CT scan or by
magnetic resonance scan have detected a brain damage. This permanent cerebral
tissue change can be related to dementia because of multiple cerebral
infarctions.
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