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  1. May 14, 2022 · Heart Valves. As your heart pumps blood, four valves open and close to make sure blood flows in the correct direction. As they open and close, they make two sounds that create the sound of a heartbeat. The four valves are the aortic valve, mitral valve, pulmonary valve and tricuspid valve. A heart murmur is often the first sign of a heart valve ...

  2. Nov 22, 2023 · In heart valve disease, one or more of the valves in the heart doesn't work properly. There are four heart valves. They keep blood flowing through the heart in the correct direction. Sometimes a valve doesn't open or close all the way. This can change how blood flows through the heart to the rest of the body.

  3. en.wikipedia.org › wiki › Heart_valveHeart valve - Wikipedia

    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]

  4. May 23, 2024 · The four valves in order of circulation are: Tricuspid Valve. Has three leaflets or cusps. Separates the top right chamber (right atrium) from the bottom right chamber (right ventricle). Opens to allow blood to flow from the right atrium to the right ventricle. Prevents the back flow of blood from the right ventricle to the right atrium.

  5. Feb 14, 2023 · Heart valves are flaps that prevent blood from flowing backward in the heart. Learn about the four types of heart valves, how they work, and what problems can affect them.

  6. Aug 5, 2015 · There are 4 valves of the heart, 2 on the left side and 2 on the right side. The left side of the heart can be thought of as the hearts powerful engine. Each side of the heart has a collecting chamber on top (atrium), and a pumping chamber on the bottom (ventricle). There is a valve between the upper and lower chamber, and there is a valve ...

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  8. Dec 22, 2017 · The valves of the heart are structures which ensure blood flows in only one direction. They are composed of connective tissue and endocardium (the inner layer of the heart). There are four valves of the heart, which are divided into two categories: Atrioventricular valves: The tricuspid valve and mitral (bicuspid) valve. They are located ...