Many arrhythmias have no clear cause; these idiopathic cases arise without identifiable triggers, while for others, the causes may be congenital or acquired.

Scientists have discovered a previously unidentified potassium channel in cardiac cells that regulate the human heartbeat. This could be a significant step towards developing "biological pacemakers" ...

It's World Heart Rhythm Week, a time to raise awareness about irregular heart rhythms that affect people of all ages. The most common type is atrial fibrillation (Afib), which is estimated to affect ...

Over 300,000 people die each year in the US due to sudden cardiac death. In many cases, sudden cardiac death is caused by abnormally rapid heart rhythms called tachycardias, which means the heart ...

CLEVELAND - A fundamental discovery reported in the March 1st issue of the journal Nature, uncovers the first molecular evidence linking the body’s natural circadian rhythms to sudden cardiac death ...

Researchers from Brigham and Women's Hospital, a founding member of the Mass General Brigham healthcare system, have used artificial intelligence tools to accelerate the understanding of the risk of ...

The heart rhythm disorder called atrial fibrillation (AFib) can affect people of any age, but is most common in older adults. It may start with a rapid heartbeat, a fluttering feeling in a person’s ...

Researchers have used the zebrafish (Danio rerio) to identify the role of a gene involved in cardiac rhythm, which could help explain the fundamentals of what it takes to make a human heartbeat ...

In the symphony of our bodies, the steady rhythm of our heartbeat often goes unnoticed until moments of exertion or excitement. However, the pace of our heart when we are at complete rest, known as ...

A heart murmur can sound scary—literally. A Keck Medicine of USC cardiologist explains why it might not be as scary as you ...

A cardiac stress test shows how your heart works during physical activity. Vienybe/Dreamstime/TNS Heart health is an essential part of your overall health and well-being. Your primary care provider ...