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What are the symptoms of occasional atrial fibrillation?

Diana Meeks
Diana Meeks on behalf of Sigma Nursing
Family Practitioner

The symptoms of occasional atrial fibrillation can range from no symptoms at all to chest pain and shortness of breath, lowered blood pressure, feelings of lightheadedness, weakness, confusion, and palpitations. Palpitations are usually uncomfortable and feel like your heart is jumping around in your chest. It is important to contact your doctor or seek emergency medical care immediately if you are experiencing chest pain. This is also a symptom of a heart attack. Otherwise, let your doctor know about your symptoms of occasional atrial fibrillation.

Joan Haizlip, MSN
Cardiologist (Heart Specialist)

The symptoms of occasional atrial fibrillation (A Fib) are different for different people. You may feel nothing. Other symptoms include:

  • palpitations
  • shortness of breath
  • difficulty exercising
  • chest pain
  • dizziness
  • fatigue
Dr. Douglas E. Severance, MD
Family Practitioner
The symptoms of occasional atrial fibrillation can be mild or severe. You could feel an abnormal rhythm for a few minutes, hours, or days, but the heart rhythm returns to a normal sinus rhythm on its own. So, you may not be aware that you have a diagnosable condition. You may just think you are under stress or having heart palpitations. Some people with occasional atrial fibrillation have difficulty taking deep breaths. Atrial fibrillation is a potentially serious condition that can result in heart failure and stroke if not treated properly.

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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.