Stethoscope sits on a heart rate chart
Atrial fibrillation (AFib) is a heart arrhythmia that is more prevalent than you think.


A senior woman experiencing shortness of breath

2. Shortness of Breath

The heart isn’t beating at its full capacity when you have AFib. Because of this, it may be possible that you feel shortness of breath with daily activity. This is especially likely if you are exercising and if the heart rate is elevated.

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