Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

A person should call 911 or seek emergency care immediately if they experience signs or symptoms of a heart attack. Prompt treatment is crucial to restoring blood flow to the heart. The heart is a ...

Then, during relaxation (diastole), the aorta recoils, releasing the stored energy and helping maintain blood flow. This wave-pumping effect works in tandem with the heart’s pumping mechanism ...

They represented the complex blood flow within the heart during a cardiac cycle -- the complete sequence of events in the heart from the beginning of one beat to the next. The research improves ...

Your surgeon will make an incision in your chest to access your heart and will use a machine to take over blood flow while your heart is temporarily stopped. In some cases, minimally invasive ...

This rhythmic compression slows the blood flow back to the heart and therefore allows the veins and capillaries in the treated areas to engorge with blood – visible as the skin gradually reddens ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to ...