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Doctor insights on: Stenosis Of Heart Valve

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Dr. Milroy Samuel
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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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With 2 previous heart valve replacements and a heart working at 55% what is the rate of survival? Was born w aortic stenosis

With 2 previous heart valve replacements and a heart working at 55% what is the rate of survival? Was born w aortic stenosis

Unknown: There is no real answer to this, impossible to predict. It is a really important question. I empower you to have open discussions with your mds. Better question how long will my valve last? What is the risk of my next operation? ...Read more

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Is the heart valve a tissue?

Is the heart valve a tissue?

Yes: The heart valve is specific tissue made of collagen that is thin layered yet durable. ...Read more

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What is the function of heart valve?

What is the function of heart valve?

To direct flow: A heart valve functions to allow unidirectional blood flow. When chambers of the heart contract, one heart valve will open and one will close; this effectively allows only one low resistance pathway for the blood to follow. If there were no valves, blood would flow backwards from where it just came as well as forwards. This would significantly decrease the effectiveness of the heart as a pump. ...Read more

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A leaky heart valve at 4 means what?

A leaky heart valve at 4 means what?

Depends: It reallyd depends on the amount of leak thru the valve. An ultrasound called an echocardiogram is one way of evaluation a leaky valve. Other terms used are regurge or regurgitation or insufficiency. A pediatric cardiologist would be very helpful in evaluation the leaky valve. ...Read more

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How to repair a damaged heart valve?

How to repair a damaged heart valve?

Are you a surgeon?: Some heart valves can be repaired. Some can't. Full textbooks and extensive lecture series with demonstrations are devoted to this subject. Most people rely on their doctor who can refer them to a surgeon who is very practiced in this highly technical field. ...Read more

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What is an "overlapping" heart valve?

What is an "overlapping" heart valve?

Cardiologist: Beats me: as a board certified cardiologist I do not recognize that term: you might mean "redundant" (mitral or tricuspid) vallve and that is part oft of the mitral valve prolapse family of heart issues which are usually benign. Get whoever said that to re-explain it to you. You will enjoy our website www.Thepmc.Org. Hrs, md, facc. ...Read more

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Can you describe what a heart valve is?

Can you describe what a heart valve is?

Yes: Blood moving through the heart is more effecient if it only moves in one direction. Valves open and allow blood to pass through. Then they close and prevent blood from moving backward from where it came. The aortic and pulmonic valves open in systole (during contraction). The mitral and tricuspid valves open during diastole (when the heart is resting and filling). ...Read more

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What materials is a heart valve made of?

Depends: Artificial valves come in two general types - biological and mechanical. Biological valves are usually made from cow or pig tissue. Mechanical valves are made of graphite and metal. Patients on mechanical valves need to be on long term coumadin (warfarin). Not all valves need to be replaced, some may be repaired. Good luck. ...Read more

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Stricture (Definition)

A stricture is an anatomic narrowing of any structure in the body with a lumen. Depending on the organ, the underlying causes can be traumatic, ...Read more


Dr. Linda Callaghan
1 doctor shared a insight

Stenosis (Definition)

Constriction or narrowing of something - duct, artery, passage way such as the outlet of the stomach into the small ...Read more