Heart Rhythm Clinic

What is it?

 

Atrial fibrillation (AF or Afib) is an abnormal heart rhythm. The four chambers of the heart usually beat in a steady, rhythmic pattern. Atrial fibrillation (AF) occurs when the atria (upper chambers of the heart) is fibrillating or twitching quicker than normal, creating an irregular rhythm. 

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Source: Heart Rhythm Society

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What are the symptoms?

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The symptoms of AF are different for each person. Some feel no symptoms at all, while others can tell as soon as it happens. The symptom manifestations depend on age, the cause of the AT (heart problems, other diseases, etc.), and the degree to which AF affects the heart.

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Common symptoms include:

• Feeling tired or lacking energy (most common)

• Faster pulse than normal, or pulse changing between fast and slow

• Shortness of breath

• Heart palpitations (heart is racing, pounding or fluttering)

• Trouble with everyday exercise or activity

• Pain, pressure, tightness or discomfort in your chest

• Dizziness, lightheadedness or fainting

• Increased urination

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Source: Heart Rhythm Society