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Dangers of Atrial Fibrillation - Flagstaff Business & Online News | Northern Arizona Local Newspaper
At the core of every healthy body is a strong, rhythmic, steady heartbeat. Atrial fibrillation is a condition that disrupts this rhythm. A glitch in the heart’s electrical system makes the upper chambers (the atria) quiver or fibrillate. This causes the lower chambers (the ventricles) to beat irregularly. Atrial fibrillation can be dangerous because it …