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What is the difference between atrial fibrillation and irregular heartbeat?

The difference between atrial fibrillation and irregular heartbeat is that irregular heartbeat is a general term to describe any abnormal heart rhythm and atrial fibrillation is a specific diagnosis. Irregular heartbeat could include heartbeats that are too fast, too slow or irregular for any reason. Atrial fibrillation is a specific diagnosis that relates to the small part of the heart (the atrium) beating "out of control" fast, resulting in an irregular heartbeat.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.