Transient Ischemic Attack (TIA)

Transient Ischemic Attack (TIA) is a topic covered in the 5-Minute Emergency Consult.

To view the entire topic, please or purchase a subscription.

Emergency Central is a collection of disease, drug, and test information including 5-Minute Emergency Medicine Consult, Davis’s Drug, McGraw-Hill Medical’s Diagnosaurus®, Pocket Guide to Diagnostic Tests, and MEDLINE Journals created for emergency medicine professionals. Explore these free sample topics:

Emergency Central

-- The first section of this topic is shown below --

Basics

Description

  • TIA – an episode of reversible neurologic deficit caused by a temporary decrease in blood flow to an area of the central nervous system (CNS)
  • Classically described as symptoms lasting <24 hr, but most TIA symptoms resolve in <1 hr
  • A warning for stroke, as 12–30% of strokes will be preceded by TIA

Etiology

  • Transient decrease in perfusion to an area of the CNS, which can be caused by:
    • Thrombosis in medium to large arteries with atherosclerosis (25%)
    • Intracranial small vessel disease (25%)
    • Embolic cause from the heart (20%)
    • Miscellaneous, including arterial dissection, vasculitis, and hypercoagulable states (5%)
    • No clear predisposing vascular cause found (25%)

-- To view the remaining sections of this topic, please or purchase a subscription --

Citation

* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Transient Ischemic Attack (TIA) ID - 307693 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307693/all/Transient_Ischemic_Attack__TIA_ ER -