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Doctor insights on: Atrioventricular Valve Cusp

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Why does the right atrioventricular valve have three cusps while the left atrioventricular valve has only two cusps?

Why does the right atrioventricular valve have three cusps while the left atrioventricular valve has only two cusps?

Because: because that's the way we evolved. Or, if you'd prefer, that's what God intended. Either way it comes down to tautology: it is what it is, man. ...Read more

Dr. John Landi
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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In a normal aortic valve, what stops the valve cusps from opening too much? Or do they just open against the aortic walls?

In a normal aortic valve, what stops the valve cusps from opening too much? Or do they just open against the aortic walls?

Correct to a degree: They are like a parachute and open widely to a maximum length, but not quite to the adjoining wall, of aorta, so there is flow behind to the coronary orifices.
More like a sheet floating in the wind. ...Read more

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What are the underlying causes of aortic valve cusp prolapse? Is there always regurgitation with it?

Aortic valve : Prolapse is much less common than mitral valve prolapse...Cause would be congenital malformation ; regurgitation would be expected. ...Read more

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Can a valve repair itself in time?

Unlikely. : Valve issues tend to worsen predictably over time, not improve. ...Read more

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What are valves in the body and what do they do?

What are valves in the body and what do they do?

4: 4 cardiac valves. 2 atrioventricular and 2 ventriculoarterial. 2 on the right heart 2 on the left heart. Each ventricle has an atrioventricular and a ventriculoarterial valve.They are one way valves. Flow is venae cavae to right atrium, RA to right ventricle via right av valve or tricuspid, rv to pulmonaryartery via
pulmonic valve-lungs-left atrium-mitral valve-left ventricle-aortic valve- aorta. ...Read more

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What are the pros and cons of mechanical valve vs tissue valve?

What are the pros and cons of mechanical valve vs tissue valve?

Broadly speaking,: mechanical valves last longer but require oral anticoagulation with warfarin. tissue valves do not last as long, but do not require oral anticoagulation. the decision is a complex one that is best made with the advice of a physician. ...Read more

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How does the bicuspid valve function?

How does the bicuspid valve function?

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. ...Read more

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What is another name for the bicuspid valve?

Mitral valve: The bicuspid valve is the mitral valve. It is also one of the atrio-ventricular valves. ...Read more

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How do doctos identify the location of a valve?

How do doctos identify the location of a valve?

The heart valves: don't vary much in location, except un very rare conditions present from birth. Listening with a stethoscope, sound waves (echocardiography) and other imaging (CT scan, MRI) can more precisely locate the heart valves. ...Read more

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Can valve problems and septal defects be undetectable?

Can valve problems and septal defects be undetectable?

Sometimes: Sometimes small septal defects and some valve abnormalities may go clinically undetected until an echocardiogram is obtained or MRI of the heart. ...Read more

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What happens if someone's bicuspid valve does not close properly?

What happens if someone's bicuspid valve does not close properly?

Aortic insufficiency: When an aortic valve (bicuspid or a normal tricuspid valve) does not close properly, insufficiency or regurgitation ("leaking") results. When mild, this does not have clinical effects, but when severe it can compromise cardiac function. ...Read more

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Can i jog in the mornings without damaging my mytral valve further.

Can i jog in the mornings without damaging my mytral valve further.

Not enough info: Without knowing what is wrong with your mitral valve, it is impossible to say. You need to go see a cardiologist and discuss your cardiac echo (ultrasound that looked at your mitral valve). Ask for a list of exactly what you can and cannot do to keep yourself healthy - don't wait. ...Read more

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What are the mitral and tricspid valves and what are they responsible for?

What are the mitral and tricspid valves and what are they responsible for?

Atrioventricular: mitral and tricuspid are the atrioventricular valves which are between the atria and the ventricles. They're responsible for the valve function between those chambers, mitral on left and tricuspid right heart ...Read more

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Are there any new non evasive procedures for repairing mitro valve prolapse?

Why?: Mvp is usually not an issue. The valve does not usually need to be fixed. Speak with a cardiologist to see if you even have a reason to be concerned. ...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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