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What is atrial fibrillation (AFib) with rapid ventricular response (RVR)?

Atrial fibrillation (AFib) with rapid ventricular response (RVR) means the heart is beating irregularly and beating at a significantly increased rate. Atrial fibrillation is the most common cardiac arrhythmia. Normally the heart beats in a synchronized, regular rhythm with a pulse rate of 60 to 100 beats per minute. During atrial fibrillation the heart is beating irregularly.

Atrial fibrillation (AFib) with rapid ventricular response (RVR) is when the heart is not only beating irregularly (the atria or top of the heart does not beat in sync with the ventricles or bottom of the heart) but the ventricles are beating too fast as well.

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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.