Atrial fibrillation (AFib) is a type of heart arrhythmia that causes the top chambers of your heart, the atria, to quiver and beat irregularly. AFib used to be described as chronic or acute, with ...

Atrial fibrillation (AFib) is the most common type of abnormal heart rhythm condition in older adults. And your risk of AFib goes up as you age. Experts continue to create better treatment options for ...

Atrial fibrillation (AFib) is a condition that causes your heart to beat in an irregular rhythm. One way to classify AFib is by what’s causing it. Valvular AFib and nonvalvular AFib are terms used to ...

Valvular atrial fibrillation (A-fib) involves a condition that leads to an irregular or abnormal heart rhythm. This can increase a person’s risk of cardiovascular complications, such as stroke.

Atrial fibrillation (AFib) is related to inflammation in your body, like other heart disease. Some research suggests that inflammation can cause AFib or make it worse if you already have it. Other ...

Share on Pinterest New research suggests that there may be more than 10.5 million people in the United States living with atrial fibrillation, that is, three times more cases than experts had ...