After a heart attack, the heart struggles to recoup and maintain energy. One third of patients develop heart failure as a result ⎯ a condition that impacts 6.8 million Americans and carries a high ...

Your heart is a muscular organ that helps circulate your blood, which delivers oxygen and nutrients to your tissues. There are four chambers and four valves in your heart, and each ensures proper ...

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 ...

When the heart struggles to pump efficiently, a cascade of events unfolds. Fluid accumulates in the lungs and extremities. Breathing becomes labored. Simple activities like climbing stairs or carrying ...

As daylight saving time approaches, the American Heart Association reminds us that regular interruptions to our body’s internal clock don’t just cause inconvenient sleep disturbances but may also ...

Adults with heart failure with reduced ejection fraction (HFrEF) who took a "polypill" combining medications prescribed for the treatment of heart failure, had improved heart function and symptoms, ...

Heart failure sounds alarming—and rightfully so. Yet approximately 6.5 million Americans currently live with this condition, many with the specific variant called systolic heart failure, and a ...

Researchers at the Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, and the University of Utah School of Medicine, have demonstrated that a gene therapy can ...

In diseased hearts, low-dose radiation therapy appears to improve heart function. Cardiologists and radiation oncologists at Washington University School of Medicine in St. Louis pioneered the use of ...

A heart perfusion imaging scan, or myocardial perfusion scan, is a test that tells doctors how well a person’s heart pumps blood. Doctors may use this test when diagnosing the cause of chest pain or ...

A heart PET scan is a noninvasive imaging test that uses a small amount of radiation. It helps doctors understand how the heart functions and whether it is healthy. Cardiac or heart PET scans create ...