Now playing: What do I do during a stroke?

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What do I do during a stroke?
When blood flow to your brain is stopped, it's called a stroke. It strikes suddenly, and it's important to act quickly. The five warning signs of a stroke are weakness, trouble speaking, vision problems, headache, and dizziness. A stroke victim has a better chance of a good recovery if they reach a hospital within three hours of their stroke, so recognize the warning sites and act quickly.
Last modified: 2012-03-06