Bradycardia occurs when the electrical signals that coordinate heartbeats are generated too slowly or are unable to travel ...

Smaller catheters to place the leadless pacemaker may expand its use as an option for more children with slow heartbeats, according to a new study in the Circulation: Arrhythmia and Electrophysiology ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. You may be able to lower ...

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

Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes aged 50 or older, potentially increasing their risk of sudden cardiac death, ...

The use of smartwatches to detect cardiac issues, like atrial fibrillation (AFib), presents exciting new possibilities for heart care, but a new study shows that the results they provide may not ...

What if I told you that your heart and brain are engaged in a silent conversation, influencing your resilience, well-being, and even recovery from surgery? Recent breakthroughs in neuroscience, ...