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What causes atrial fibrillation?

Updated: 9/7/2023
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Bradykmoss

Lvl 1
8y ago

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the heart beat is completely irregular. The atrial muscles contract very quickly and irregularly; the ventricles, the heart's two large lower chambers, beat irregularly but not as fast as the atria

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13y ago
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Q: What causes atrial fibrillation?
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