Main pulmonary artery diameter is a prognostic indicator in patients with pulmonary arterial hypertension without congenital heart disease.

Did you know men and women's heart cells prefer different kinds of fuel? Gender differences are emerging as scientists turn ...

Learn about atrial septal defects in babies, including symptoms, diagnosis, treatment options, and long-term outlook for this ...

While everybody's heart has an absolute chronological age (as old as that person is), hearts also have a theoretical ...

Your average daily heart rate is a useful metric; so is your daily step count. Combining the two might be even better.

The widowmaker heart attack lives up to its ominous name. Cardiologists break down the risks, symptoms, and heart-smart tips ...

A new study uncovers compelling evidence that even subtle heart issues may affect brain structure — potentially years before ...