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Answered 2007-09-27 04:44:12

The mitral valve is also known as the left atrioventricular valve. It prevents blood flow back into the atria while the ventricles are contracting. There are also two types of circulation through the heart. The systemic circuit carries blood to and from all the body tissues and is operated by the left side of the heart. The pulmonary circuit carries blood to and from the lungs and is operated by the right side of the heart. Because this valve is located on the left side, the systemic circulation is affected when the mitral valv is not functioning correctly.

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If the mitral valve of the heart does not close properly which circulation is affected?

Systemic circulation is affected.

If the mitral valve doesnt close properly which circulation is affected?

The systemic circulation is affected.

If mitral valve does not close properly which circulation is affected?

The systemic - as the blood flow that travels through the mitral valve is the oxygenated blood meant for the tissues in the body.

What circulation system is affected if the mitral valve does not close properly?

All blood flow circulation is affected due to the fact the heart pumps blood through the entir body.

What is mitral insufficiency?

Mitral insufficiency is a disorder of the heart in which the mitral valve does not close properly. It is also called mitral regurgitation and more info can be found here:

What is mitral regurgitation?

The mitral valve is located between the left atrium (LA) and the left ventricle (LV). In normal circulation, oxygenated blood comes from the lungs into the LA, Whe the LA contracts, the blood goes into the LV. When the LV contracts, the blood is pumped into the aorta for circulation throughout the body. The mitral valve prevents blood from going back up to the LA from the LV during ventricular contraction. Mitral regurgitation is when the mitral valve does not close properly during ventricular contraction, and allows blood to go back up to the LA.

What is Mitral valve regurgitation?

Mitral valve regurgitation is a heart disorder in which the mitral valve does not close properly after the heart pumps out blood. There is leaking of blood into other chambers of the heart, leading to regurgitation back into the left atrium.

Which are the two heart valves?

There are 4 valves in the heart. The tricuspid valve and the mitral valve separate the atria from the ventricles and close during systole. The pulmonic and aortic valves prevent backflow from the pulmonary circulation and the systemic circulation respectively and close during diastole.

Mitral valve prolaspe?

Mitral valve prolapse is that mitral valve can not close completely due to some change in its structure. It's thought to be inherited and commonly occur with other connective tissue disorder, mostly Marfan syndrome.

What Animals with close circulation system?


Does the the pizza maker close properly?

The pizza maker doesn't close properly, however it should close without any difficulty

This occurs when valves do not close properly?

When heart valves do not close properly, regurgitation can result, decreasing the pumping efficiency of the heart. When valves in your kitchen sink do not close properly, drips can occur.

What happens to the biscupid valve if it fails to close properly?

A poor functioning bicuspid valve, also known as the mitral valve, would lead to fatigue, dyspnea, orthopnea and cyanosis. This is caused by a back of blood at the lungs and decrease in oxygen being distributed to the body.

Heart disease need advic i have mitro heart disease and also an irregular heartbeat?

The question is not clear. You may have mitral valve prolapse, mitral stenosis or mitral regurgitation. Mitral valve prolapse is a heart problem in which the valve that separates the upper and lower chambers of the left side of the heart does not close properly. Mitral stenosis is a heart valve disorder that involves the mitral valve. This valve separates the upper and lower chambers on the left side of the heart. Stenosis refers to a condition in which the valve does not open fully, restricting blood flow. Acute mitral regurgitation is a disorder in which the heart's mitral valve suddenly does not close properly, causing blood to flow backward (leak) into the upper heart chamber when the left lower heart chamber contracts. In open surgery, the surgeon makes a large incision (cut) in your breastbone to reach the heart.

The mitral valve is normally closed when?

The mitral valve, also called the AV valve, closes during ventricular systole, which is one of the part of the cardiac cycle. When the atria contracts (atrial systole), the ventricules fill with blood, causing the mitral valve to close in order to avoid the blood from flowing back into the atrium. Hope it helps!!

What prevents back flow into the left atrium?

Back flow into the left atrium from the left ventricle, also known as mitral regurgitation, is prevented in a normal heart by the bicuspid (mitral) valve. This valve opens during the contraction of the atria to allow filling and preloading of the left ventricle. The pressure of ventricular contraction (also known as systole) causes the valve to close. This forces the blood through the aortic valve into systemic circulation.Blood passes from the left atrium into the left ventricle through the mitral valve. During systole (when the ventricles are pushing blood out of the heart), the mitral valve should snap closed, preventing blood from the left ventricle from flowing back into the left atrium. When the mitral valve fails to perform this function, the resulting condition is called mitral valve regurgitation.The mitral valveThe closing of the mitral/bicuspid valve usually prevents left-sided regurgitation.The bicuspid valves which separate the left atrium and ventricles. plus the pressure of the blood inside the heart favoring forward movement of the blood into the less-blood-filled aorta when the heart is squeezed (to put it simply).

Are cavaliers healthy?

Generally healthy but are prone to mitral valve heart disease: a deterioration in one of the four sets of mitral valve's in a dog's heart. When it strikes, the mitral valve atrophes. The valve doesn't fully close after each pumping action, allowing blood to float backwards from the ventrical into the adrium. This can lead to valve collapse and ultimatley, heart failure.

What is mitral valve insufficiency?

Mitral valve insufficiency is a term used when the valve between the upper left chamber of the heart (atrium) and the lower left chamber (ventricle) does not close well enough to prevent back flow of blood when the ventricle contracts.

An inability of the valves to close properly?


What is the inability of the valves to close properly called?


Mitral valve prolapse is a disorder of the heart in which the mitral valve?

The valve becomes thickened and doesn't work correctly. I have heard it called floppy valve. It doesn't close tightly as it should and it can be "leaky". Some blood flows backwards. This can be heard as a "murmur". It also can be seen on an ultra-sound.

The first sound of a cardiac cycle occurs when?

The first heart sound, called S1, occurs when the tricuspid and mitral valves close as the ventricles fill with blood.

Is circulation open or closed in a clam?

it is close so then the blood can float in it nice and easy

How does a mitral valve prolapse affect the flow of blood?

Well, this is when the flaps of the valve are "floppy" and don't close tightly. These flaps normally help seal or open the valve. The mitral valve controls blood flow between the upper and lower chambers of the left side of the heart. The mitral valve allows blood to flow from the left atrium into the left ventricle, but not back the other way. So bascially, backflow of blood in your heart .

What open and close to prevent the blood from flowing back?

valvesThe four heart valves are:Tricuspid valvePulmonic or Pulmonary valveMitral valveAortic valve