Nearly 14 million Americans live with arrhythmias. Learn to identify the warning signs of these common heart rhythm disorders ...

Your resting heart rate, the number of times your heart beats per minute while at rest, is a simple yet powerful indicator of ...

New research from Ohio State University reveals genetic differences in the heart's natural pacemaker between men and women.

A new study shows that the sinoatrial node (SAN) -- a small but powerful structure in the human heart that serves as its natural pacemaker and initiates every normal heartbeat -- runs on different ...

Sometimes, an abnormal EKG reading is a normal variation in a person’s heart rhythm. In other cases, it may be due to an underlying heart condition or a reaction to medication. An ...

For decades, doctors and researchers have puzzled over a basic heart rhythm mystery: Why do women tend to have faster ...

However, some people are born with a mutation—a small change—in their calmodulin protein. This rare condition leads to what scientists now call “calmodulinopathies,” which are serious and often deadly ...

[Hurst’s The Heart, 14th edition; Chapter 83, 11a] and does not require interventions such as electrical or chemical cardioversion to restore normal rhythm. Persistent AF lasts for more than 7 days.

ensuring patients receive appropriate interventions to restore normal heart rhythm while addressing underlying risk factors. Previously, HRS released a position paper announcing the rationale for ...

A recent study has revealed a troubling link between gum disease and atrial fibrillation (AFib), a serious heart rhythm ...