To be able to observe the blood flow in the artificial heart in real time in the MRI, the researchers an Linköping University had to build a full-scale model of the human circulatory system. Using ...

Among the most dangerous issues facing patients in need of replacement mechanical heart valves is aortic regurgitation —  a ...

The film presents a detailed fluorographic study of the normal heart using venous catheterization, showcasing physiological data such as pressure and flow measurements. It illustrates blood flow ...

This screening test measures how well blood flows through your heart. It may be used to diagnose coronary artery disease or to assess damage caused by a heart attack. Share on Pinterest JazzIRT/Getty ...

Aortic stenosis is a narrowing of the aortic valve that affects how blood flows through the heart and body. While not often linked to heart valve narrowing, high and irregular blood pressure can ...

When a doctor listens to the heart of a person with a heart murmur, they may hear a whooshing, swishing, humming, or rasping sound. This is due to rapid, turbulent blood flow through the heart.

Heart valve regurgitation is the name for when the heart’s valves leak. It occurs when some of the blood the heart pumps out flows back to the valves. Treatment may not always be necessary, though ...

From artificial heart valves to cellular transplants, new treatments for cardiovascular ailments are being developed every day. To model how they work, researchers need a reliable way to observe the ...

Researchers have developed a method for cheaply producing heart valves in the span of minutes that are functional immediately after being implanted into sheep. The scientists call their method ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. But several mysteries remain: What causes someone's blood flow to spontaneously ...