People with heart failure often need a test called right heart catheterization, where a tube is inserted into the heart to measure oxygen levels in the blood. This helps doctors understand how severe ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...