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  C. The Two Different Types of Stroke

Narrator: This is Science Today. Stroke, which is commonly referred to as a brain attack, is the single leading cause of adult disability in the United States and it's the third leading cause of death. Dr. David Liebeskind, an associate neurology director at the UCLA Stroke Center, says there are two different types of stroke.

Liebeskind: There is what we call an ischemic stroke, where blood flow is cut off to the brain and this most of what we talk about when we refer to ‘brain attack', but there are also hemorrhagic strokes, where there's actually bleeding that takes place in the brain. These two types of strokes are taken care of in very different ways, but both require very prompt treatment with the patients coming ideally to the emergency room as fast as possible.

Narrator: The UCLA Stroke Center has been a leader in multiple areas of stroke care, including technological innovation and neurosurgery.

Liebeskind: The treatment of acute stroke has also been developed here by a technological innovation called the MERCI device. This is the first device that has been FDA cleared for use in acute ischemic stroke, so this is a groundbreaking event.

Narrator: For Science Today, I'm Larissa Branin.