The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. The heart ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

Check your knowledge of the heart and how blood is transported around the body by blood vessels ahead of your Higher Human Biology exam. Brush up on your knowledge of arteries, capillaries, veins and ...

It is a popular myth that all heart attacks present with dramatic chest pain and collapse, but many happen silently or with symptoms so subtle that they are often missed. This is normally the case in ...

The first investigator-initiated study of remote pulmonary artery pressure monitoring has found that it improves quality of life and reduces heart failure hospitalizations in patients with chronic ...

Coronary artery calcium scoring with CT can identify symptomatic patients with a very low risk of heart attacks or strokes. Researchers said the findings may one day help some patients with stable ...

New research suggests that more people survive major heart attacks with fewer problems if doctors use a mini-vacuum to clear out an artery blockage instead of pushing it aside to restore blood flow.