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What's the Biggest Cause of Stroke?

What's the Biggest Cause of Stroke? (0:12)

One heart issue is connected to risk of stroke more than any other. HealthMaker Jeff Olgin, MD, a cardiologist at UCSF, educates viewers on what this risk factor is in this video.

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Right now the biggest cause I believe is from atrial fibrillation, and I don't believe that the incidence of stroke has changed much over the years.

Jeff Olgin, MD

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