Atrial fibrillation, or AFib, is the most common heart rhythm disorder in the world, affecting more than 6 million Americans.

Atrial fibrillation, or AFib, is a type of arrhythmia, or irregular heartbeat, and is a disease of the electrical system of the heart. The heart has two upper chambers, called atria, and two lower ...

Investigators evaluated the incidence of asymptomatic cerebral emboli and cognitive outcomes in patients receiving pulsed field ablation for AF.

New-onset atrial fibrillation (AF) may accelerate kidney function decline, according to a study published online May 14 in ...

Atrial fibrillation, or A-Fib, is a rapid irregular heartbeat that impacts as many as 2% of Americans under the age of 65. For many, the condition shows little to no symptoms but may lead to ...

Atrial fibrillation occurs when cardiac electrical impulses become disordered, leading to a rapid and irregular heartbeat. Lip and colleagues discuss the mechanisms that underlie this common ...

There is a link between atypical heart sounds and atrial fibrillation. People with this condition have an irregular, disorganized heartbeat. Atrial fibrillation is a serious type of arrhythmia, which ...

This Journal feature begins with a case vignette that includes a therapeutic recommendation. A discussion of the clinical problem and the mechanism of benefit of this form of therapy follows. Major ...

Atrial fibrillation (AF or afib) involves abnormal electrical activity in the upper chambers (atria) of your heart, which causes the organ to beat quickly and irregularly. This abnormal beating ...

We have often heard people say ‘my heart skipped a beat' when someone is nervous, excited, or surprised. But a fluttery heartbeat could also be a sign of heart rhythm abnormality, medically known as ...

Background Atrial fibrillation (AF) is a common cardiac arrhythmia associated with an increased risk of stroke, heart failure ...