A practical overview of atrial fibrillation, including symptoms, stroke risk, rhythm control, and why treatment should be individualized.
What atrial fibrillation is
Atrial fibrillation is an abnormal heart rhythm in which the upper chambers of the heart activate rapidly and irregularly. Some people feel palpitations or fatigue, while others have few or no symptoms.
Why it matters
Treatment is not only about controlling the heart rate or rhythm. For some patients, atrial fibrillation also increases the risk of stroke, making assessment of anticoagulation important.
Treatment is individualized
Options may include rate-control medications, rhythm-control medications, cardioversion, catheter ablation, and lifestyle modification. The right approach depends on symptoms, duration of atrial fibrillation, other medical conditions, and patient preferences.
When to seek evaluation
New palpitations, unexplained fatigue, shortness of breath, dizziness, or a persistently irregular pulse are reasonable reasons to seek medical evaluation. Severe symptoms warrant urgent care.