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What is Brain Ischemia


Updated February 25, 2009

A blood clot forms inside a brian artery
Photo © A.D.A.M.
Definition: The lack of oxygen- and nutrient-rich blood flow in a given area of the brain.

Typically ischemia happens when one of the arteries that brings blood to a part of the brain becomes blocked by a blood clot or a cholesterol plaque. The resulting lack of oxygen and nutrients in these areas causes neurons to stop functioning.

Alternate Spellings: ischaemia
Common Misspellings: ischeemia ischemea ischeemea
Ischemia causes TIAs and Strokes

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