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- Atrial fibrillation - Symptoms and causes - Mayo Clinic
Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm An irregular heart rhythm is called an arrhythmia AFib can lead to blood clots in the heart The condition also increases the risk of stroke, heart failure and other heart-related complications
- Atrial Fibrillation (AFib): Symptoms Treatment - Cleveland Clinic
Atrial fibrillation (AFib) is an irregular heart rhythm that begins in your heart’s upper chambers (atria) Symptoms include fatigue, heart palpitations, trouble breathing and dizziness Risk factors include high blood pressure, coronary artery disease and having obesity Medications and procedures (like ablation) can lower your risk of a stroke
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