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Glossary

TIA (transient ischemic attack)

Also known as: Mini-stroke, transient ischemic attack

Medically reviewed, last updated

A TIA is a temporary blockage of blood flow to the brain that produces stroke-like symptoms which resolve within minutes to hours, with no permanent brain injury. TIAs are often called 'mini-strokes' but they are not minor: about 10-15 percent of TIA patients have a full stroke within 90 days, with the highest risk in the first 48 hours.

Any TIA-like episode is a medical emergency. The treatment window is the same as for stroke. Black patients have higher TIA rates and worse outcomes than the general population, making rapid recognition and ER presentation critical.

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Medical Disclaimer

This glossary entry is for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition.