Refining the results of a 2013 study, researchers have found that atrial fibrillation, or irregular heartbeat, is associated with only one type of heart attack - the more common of the two types. The ...

A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide)—a byproduct of ...

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 ...

Left atrial appendage occlusion is a generally safe and effective procedure to lower the risk of stroke in people with atrial fibrillation. It closes or blocks off the left atrial appendage of the ...

A new type of anti-clotting drug caused fewer bleeding incidents among patients with atrial fibrillation than the commonly prescribed apixaban, according to results from a head-to-head comparison of ...

An effort to produce recommendations for hospitalists to treat atrial fibrillation led to a wide-ranging search for answers.