Transient ischaemic attack

Transient ischaemic attack (TIA), in the most recent definition, corresponds to a transient episode of neurological dysfunction caused by focal brain, spinal cord, or retinal ischaemia, without acute infarction.


In the past TIA was arbitrarily distinguished from stroke by the duration of neurological symptoms of less than 24 hours. It is well established nowadays that in most TIAs symptoms resolve in less than one hour but occasionally prolonged episodes may occur 1-2



Stroke and intracranial haemorrhage
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Article information

rID: 41796
Section: Pathology
Tags: refs, cases
Synonyms or Alternate Spellings:
  • Acute neurovascular syndrome
  • Transient ischemic attack
  • Transient ischaemic attacks
  • TIA
  • Transient ischaemic attack (TIA)

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