What are the characteristics of transient ischemic attack (TIA)?

Updated: Dec 03, 2018
  • Author: Ashish Nanda, MD; Chief Editor: Andrew K Chang, MD, MS  more...
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TIAs are characterized by a temporary reduction or cessation of cerebral blood flow in a specific neurovascular distribution as a result of partial or total occlusion—typically, from an acute thromboembolic event—or stenosis of a small penetrating vessel. Clinical manifestations will vary, depending on the vessel involved and the cerebral territory it supplies (see Ischemic Stroke in Emergency Medicine).

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