What are the symptoms of AFib?

AFib Symptoms: Fluttering or Quivering Heartbeat

A fluttering or quivering heartbeat is the most common symptom of atrial fibrillation. When you place your hand over your heart you should feel a steady two-beat rhythm. If you feel a fluttering or irregular beat, this could be a symptom of AFib. However, AFib is often only detectable upon your physician’s physical examination.1

Other Common Symptoms1,2,3 of AFib

  • General fatigue
  • Rapid and irregular heartbeat
  • Fluttering or “thumping” in the chest
  • Dizziness
  • Shortness of breath and anxiety
  • Weakness
  • Faintness or confusion
  • Fatigue when exercising
  • Sweating

Watch this video to get a better understanding of what it can feel like to experience AFib:

If you’re experiencing any of these symptoms, search for a local doctor that specializes in AFib by entering your zip code in the search field to the right and learn more about how AFib is diagnosed.

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