A new way to accurately measure heart function in research animals has the potential to make drug development more ethical and cost effective, new research suggests. Published in the Journal of ...

Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

In a new study, Mayo Clinic researchers found that a novel 4D echo imaging method that measures cardiac strain may detect subtle changes in the heart’s dysfunction during acute myocarditis, a deadly ...

Heart failure is often diagnosed after patients have already lost much of their function and quality of life, but emerging tools that noninvasively measure heart function may offer new ways to catch ...

The heart's ability to use oxygen efficiently is a critical indicator of its health, but tests to measure this function have drawbacks that can limit their use. A new Cedars-Sinai Health Sciences ...

Ejection fraction (EF) measures how well the heart pumps blood. A normal ejection fraction is between 55% to 70%. A low ejection fraction can be a sign of heart failure. Ejection fraction (EF) ...

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 ...