THE presence of complete heart block in the pediatric age group has been known for many years. 1 A sizable number of publications, consisting mostly of reports of a small number of cases, indicates ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

Medically reviewed by Christopher Lee, MDMedically reviewed by Christopher Lee, MD A widowmaker heart attack is a type of heart failure in which the heart's biggest artery, the left anterior ...

A partial blockage of a coronary artery may not cause noticeable symptoms. But, as the blockage worsens, it can cause symptoms such as chest tightness, difficulty breathing, and dizziness. This is a ...