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Tissue Plasminogen Activator (tPA)

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Updated May 13, 2008

Tissue Plasminogen Activator (tPA)
Photo © A.D.A.M.
Definition: A potent blood thinner used by emergency room and stroke doctors to dissolve artery-clogging blood clots, which cause most strokes. tPA dissolves these blood clots and allows blood flow to return to affected areas, thus preventing further brain damage.

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