Mexican Americans with atrial fibrillation are at an increased risk of stroke and are more likely to experience severe recurrences of stroke than do non-Hispanic whites, a new study shows. Atrial fibrillation is a heart rhythm abnormality that affects more than two million adults in the United States.

Access to care and socioeconomic factors may have contributed to the  higher risk among Mexican Americans. Mexican Americans are less likely than whites to have a primary care physician and are less likely to have graduated from high school.

Source:
1. Simpson JR, Zahuranec DB, Lisabeth LD, et al. Mexican Americans with atrial fibrillation have more recurrent strokes than do non-hispanic whites. Stroke 2010; 41: 2132. (open access)

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