Question 1

what is the significance of a heart valve tendon?

Accepted Answer

Chordae tendineae: Chordae tendineae are the support structures of the heart valves and the ventricles themselves.  It has now been shown that when the mitral valve is replace and chordae taken out, the ventricle does not function properly.  This has led most centers now to do the best they can to repair the mitral valve as opposed to replacing it; even with replacement, the surgeon tries to save the chordae.

Question 2

how does the bicuspid valve function?

Accepted Answer

May be normal: The aortic valve is comprised of three leaflets, or cusps, that swing open and closed. Approximately 1% of the population is born with only 2 cups. These swing open and shut in a similar fashion. Depending on the precise architecture of the 2 cusps, there may be increased turbulence of blood flow through the valve, and over time more wear and tear leading to thickening/obstruction, or leaks.

Question 3

what is the function of the bicuspid valve?

Accepted Answer

Mitral valve: Bicuspid means "two leaflets". The only "normal" bicuspid valve in the heart is the mitral valve. It sits between the left atrium and left ventricle. The valve opens to fill the left ventricle during diastole and closes when the ventricle contracts (systole).
The aortic valve is normally tricuspid but some people are born with an abnormal and bicuspid valve which may narrow later in life...

Question 4

what is the function of mitral valve?

Accepted Answer

Prevents backflow: It prevents blood from going backwards from the left ventricle to the left atrium with each beat of the heart.

Question 5

what are the functions of an aortic valve?

Accepted Answer

See below: The aortic valve is the outflow valve and it is located on the left side of the heart. It opens to allow blood to leave the left ventricle and it closes to prevent backflow of blood into the ventricle.

Question 6

what is the function of aortic valve?

Accepted Answer

Aortic Valve: The  aortic valve is an integral part of the heart and is located between the left ventricle and the aorta. It opens when the left ventricle contracts (systole) and allows blood to be pumped into the aorta. It closes when the left ventricle fills (diastole). It's function is to prevent blood from flowing back from the aorta while the heart is filling.

Question 7

what is the function of the bicuspid valve in the heart?

Accepted Answer

You mean malfunction: The aortic valve has 3 parts or leaflets. When its called bicuspid it has only 2 leaflets. This can be congenital or aquired. If  two of the cusps fuse over time is called functional bicuspid vs congenital. Either way it creates an un natural flow across the valve and over time damage the valve. Most often the valve will need replace depending on age diagnosed.Most congen bicuspids will need repla.

Question 8

how long is a tavr valve replacement good before it dosent function well?

Accepted Answer

Unknown, encouraging: Transcutaneous aortic valve replacement is a new technology.  The valve itself is placed by cushing the old valve in place.  It is used when the standard operation is too risky.  So the valve may last as long as the patient is alive.  It is not recommended if you can have valve by surgery.  If the valve wears out then a repeat tavr may be the next step. Hope this helps.

Question 9

what is the function of the pulmonary valve?

Accepted Answer

Flow direction: Pulmonic valve like all other heart valves, directs the flow from one chamber to another, in this case from the right ventricle to the lungs.  It allows the flow to be organized and the timing of flow to be proper.

Question 10

what is the function of the mitral valve in a newborn?

Accepted Answer

Same as adult: Any valve (heart, vein) prevents blood from flowing in the wrong direction. So when you heart muscle contracts, the blood can only move forward if the valve is not leaking. Age has nothing to do with it.

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What is the function of the valve tendons

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