Atrial Fibrillation Health Center
Atrial Fibrillation
Atrial fibrillation is an irregular heartbeat. Atrial fibrillation increases the risk of stroke and heart disease. Signs include dizziness, weakness, and fatigue. It is treated with medication and lifestyle changes.
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Coronary artery bypass surgery performed on a beating heart without the aid of a heart-lung machine proved no more effective than traditional bypass surgery, a study comparing the two procedures shows.
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Symptoms
Symptoms of atrial fibrillation include:
- Heart palpitations.
- Irregular pulse.
- Shortness of breath, especially during physical activity or emotional stress.
- Weakness, fatigue.
- Dizziness, confusion.
- Lightheadedness or fainting (syncope).
- Chest pain (angina).

