Heart valve diseases affect how blood flows through the heart muscle. Symptoms of heart valve disease can be subtle or develop slowly over time, with extreme fatigue often being the first sign.

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 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 ...

“Structural heart disease” is an umbrella term that refers to conditions that affect different structures within the heart. Some of these problems can be present at birth, while others develop later ...

A clinical study by researchers at Karolinska Institutet and Karolinska University Hospital in Sweden shows that the hunger hormone ghrelin can increase the heart's pump capacity in patients with ...