TIAs occur approximately 240,000 times each year in United States.
- A TIA happens before about 15 percent of all strokes.
- Up to 25 percent of people who suffer a TIA die within one year.
- About one-third of people who have a TIA go on to have a more severe stroke within one year.
Risk factors include smoking, cardiovascular disease, diabetes and blood clots (embolisms). [56]
AHA Pre-hospital EMS Resources:
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