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Doctor insights on: Structure Of Mitral Valve

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What is the structure of mitral valve?

What is the structure of mitral valve?

Not just the leaflet: The mitral valve has two leaflets that open and shut. However, there is an important supporting structure. The leaflets attach to thin chordae tendinae, dental floss-like chords that connect leaflets to papillary muscles. The pap muscles are bands of muscle tissue arising from the wall of the heart, whose contraction and relaxation transmit force to the leaflets. ...Read more

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Dr. Andrew Seibert
1 doctor shared a insight

Valve (Definition)

A valve is a structure that regulates the direction of flow. The heart is a special kind of pump. It moves blood by squeezing and relaxing. There are 4 chambers and each chamber has a valve. This keeps blood from moving backwards when the heart squeezes. When a chamber squeezes it lets the blood move forward but when the chamber is relaxed it prevents the blood from ...Read more


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What is a mitral valve?

What is a mitral valve?

One of 4 heart valve: The mitral valve is one of the 4 heart valves found in the heart. These valves keep blood moving one direction rather than back and forth as the heart contracts. The mitral valve is so named as it looks like the pope's hat (a mitre). The mitral valve separates the left atrium and the left ventricle. ...Read more

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Where is the mitral valve?

Where is the mitral valve?

Left side: Left side of the heart between top left chamber (atrium) and bottom left chamber (ventricle). ...Read more

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What's the mitral valve's purpose?

What's the mitral valve's purpose?

Backflow: The mv prevents blood from backing up into the lungs during left ventricular contraction. ...Read more

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What is the function of mitral valve?

Mitral valve: The mitral valve has to open properly to let blood flow into the left ventricle from the atrium. If it doesn't, we call this stenosis. It has to close to keep the blood flowing toward the body, if it doesn't we call this regurgitation or insufficiency. Either or both problems can exist with the valve if its abnormal. Insufficiency is more common. ...Read more

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How can the mitral valve be replaced?

How can the mitral valve be replaced?

Many options: Depending on pts age as well as the characteristics of the valve, there are many options. Mitral valve repair -using the pts own valve and perhapse a ring. Mv replacement-the whole valve is replaced by either a mechnical valve pig valve or a bioprosthetic. Another new technology involves catheter based options such as a clip. All types have pros and cons including possible Coumadin (warfarin) therapy. ...Read more

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What is the normal are of the mitral valve?

Mitral valve: The mitral valve has to open properly to let blood flow into the left ventricle from the atrium. If it doesn't, we call this stenosis. It has to close to keep the blood flowing toward the body, if it doesn't we call this regurgitation or insufficiency. Either or both problems can exist with the valve if its abnormal. Insufficiency is more common. ...Read more

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Where do you hear mitral valve?

Where do you hear mitral valve?

Under left nipple: Well, the point of maximal impulse of the heart, that is where we feel and can see the heart contract, is called the mitral area.The sound made by the valve closing is usually loudest at that point. It is usually just below the left nipple but could be displaced if the heart is enlarged. The valve sound can be heard in other areas but is not as loud. ...Read more

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What is mitral valve disease like?

What is mitral valve disease like?

Mitral valve: The mitral valve has to open properly to let blood flow into the left ventricle from the atrium. If it doesn't, we call this stenosis. It has to close to keep the blood flowing toward the body, if it doesn't we call this regurgitation or insufficiency. Either or both problems can exist with the valve if its abnormal. Insufficiency is more common. ...Read more

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