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The Most Serious Arrhythmias

Irregular heartbeats can cause disruptive and frightening symptoms. In the worst-case scenario, they can trigger a potentially fatal cardiac arrest.

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Atrial Fibrillation: Are You at Risk?

Multiple factors can contribute to the development of the abnormal functioning of the heart’s chambers.

Stethoscope on the ECG.

What Is Atrial Fibrillation?

For the 2.6 million Americans who suffer from atrial fibrillation (AF or AFib), the sensation of a fast, irregular, and chaotic heartbeat all too often becomes a way of life—and may put their health at risk.

Electrocardiogram display

9 Tests for Atrial Fibrillation

Symptoms of atrial fibrillation vary. It may be detected as an incidental finding during a physical examination or test that has been ordered for some other reason.