In some cases of AFib, the fibrillation of the atria causes the ventricles, or lower chambers of the heart, to beat too fast. This is called a rapid ventricular rate or response (RVR). If you have AFib with RVR you’ll experience symptoms, typically a rapid or fluttering heartbeat .
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Atrial fibrillation with rapid ventricular response is a fancy name for an irregular heartbeat . When your heart’s electrical signals aren’t working right, it can lead to a heartbeat that’s too fast.14 Haz 2020
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