The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure, and even premature death. While many risk factors contribute to A-fib, one stands ...

An abnormal heart rhythm, or arrhythmia (also referred to as an irregular heartbeat), is a condition in which your heart beats too fast (at more than 100 beats per minute, or BPM), too slowly (at less ...

Transient idiopathic arrhythmias are temporary heart rhythm disturbances without a clear cause, which can be harmless or require treatment if symptoms are frequent. Diagnosis can be challenging, as ...

Cardioversion is a procedure used to restore a normal heart rhythm. It’s most often used to treat AFib, the most common type of heart arrhythmia. While some people have success with medications, most ...

For many active adults, a low resting heart rate is seen as proof of strong cardiovascular health. Runners, cyclists, swimmers, and regular gym-goers often notice their heart rate sitting below 60 ...