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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Expected Duration

If circulation to the brain is restored quickly, symptoms can improve within a few days. If the blood supply is interrupted for longer periods, brain injury can be more severe. Symptoms can last for many months. You may need physical rehabilitation.

Permanent brain damage can cause permanent disability. Some people, especially those who have a large hemorrhagic stroke, can die.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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