The human heart beats roughly 3 billion times during the course of an average lifetime. Every single time it beats, blood is drawn into its two upper chambers, held there briefly by a network of ...

Reentry arrhythmia occurs when electrical signals in the heart deviate from their usual path, creating a loop that causes repeated stimulation and disrupts the heart’s rhythm. Symptoms of reentry ...

Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how it ...

Using computers to make a digital replica of the heart -- a digital heart twin -- can successfully identify problem areas deep in the heart muscle of people with a serious heart rhythm disorder, a new ...

Irregular heartbeats, or arrhythmia, can significantly affect a person’s quality of life and overall health. When medication and lifestyle changes are ineffective, doctors may recommend surgery to ...

Atrial fibrillation, or A-fib, is an irregular heart rhythm that increases a person’s risk of stroke, heart failure and even ...

An arrhythmia is a heart rhythm that is irregular, too fast, or too slow. Transient idiopathic arrhythmia is a type of temporary irregular heart rhythm that does not have a cause doctors can identify.