Heart attack survival odds have dramatically improved over the past 5 decades, but more people are dying from chronic cardiac ...

Heart attacks are no longer the leading cause of heart disease-related death, but deaths from heart disease have still been ...

At a local emergency room, Tennis was discovered to have heart rhythm irregularities and an abnormal electrocardiogram. Two months, several ER visits, many fainting spells and medical tests later, ...

Scientists identified a heartbeat-like rhythmic pulse trapped within the Earth — and say it has profound implications for a ...

Most causes for waking up with a racing heart aren't serious. But some may require treatment. Learn the causes of heart palpitations and when to see a doctor.