New research reveals that exercise may reprogram heart-controlling nerves, giving hope for potentially better treatments for ...

Q: What is the difference between atrial fibrillation and supraventricular tachycardia? A: While both conditions are rapid, abnormal heart rhythms that originate in the upper part of the heart, they ...

Genetic testing is moving from predicting heart attacks years down the line to flagging dangerous heart rhythms before they ever appear on an electrocardiogram. Instead of waiting for symptoms, ...

Apple watches have some advantages over traditional ways of diagnosing cardiac arrythmias in children but need more validation, finds a new study. Smartwatches can help physicians detect and diagnose ...

Most of us have had that unsettling sensation when our heart seems to flutter or "skip" a beat — but when heart palpitations start happening more frequently, you may wonder if it’s something to get ...

Researchers led by a team from UT Southwestern have developed a way to isolate the brain and continue its function separate from the rest of the body via a development that could revolutionize ...

Frank Waddell, 74, thought it was a nice photo of him performing at a music festival, so he sent it to his daughter. But she focused in on one thing: his ankles appeared swollen. That small detail ...