This action suggests a fluid dynamic control mechanism which positions the cusps away from the wall of the aorta, so that the slightest reversed flow will close the valve.
The four heart valves – pulmonary and tricuspid on the right, and aortic and mitral on the left of the heart – control the blood flow. Heart valve disease is when one or more do not work as ...
British cardiac patients will soon be fitted with heart valves that grow naturally within the body, marking a significant advance in treating heart disease. An initial group of over 50 patients ...
2006;9(10):691-696. The following sections present information about the most commonly implanted (contemporary) mechanical and bioprosthetic heart valves. The intent is to familiarize the reader ...
When valves are diseased, they become stiff and narrow or leaky and ineffective, meaning they either do not open fully or do not close properly when controlling blood flow around the heart.