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Aortic valve replacement; Athletic heart syndrome; Atrium (heart) Blood; Cavoatrial junction; Fourth heart sound; Heart; Human body; Inferior vena cava; Lutembacher's syndrome; Mitral valve; Mitral valve repair; Pressure–volume diagram; Pulmonary artery; Pulmonary regurgitation; Pulmonary valve; Pulmonary vein; Ross procedure; Third heart ...
A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves. Together, the valves determine the direction of blood flow through the heart. Heart valves are opened or closed by a difference in blood pressure on each side. [1] [2] [3]
In the anatomy of the heart, the valve of the coronary sinus (also called the Thebesian valve, after Adam Christian Thebesius [1] [2] [3]) is a valve located at the orifice of the coronary sinus where the coronary sinus drains into the right atrium. [4] It prevents blood from flowing backwards into the coronary sinus during contraction of the ...
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Heart failure is the result of many diseases affecting the heart, but is most commonly associated with ischemic heart disease, valvular heart disease, or high blood pressure. Less common causes include various cardiomyopathies .
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The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves , the other being the pulmonary valve .