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Doctor insights on: Mitral Stenosis Murmur

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Why can?You ?Hear?The diastolic murmur of mitral stenosis better in the expiration?

Why can?You ?Hear?The diastolic murmur of mitral stenosis better in the expiration?

Changes in intrathor: Inspiration leads to a more filling of the atrium; thus, more blood must flow through the mitral valve, enhancing the flow rate which makes the murmur louder. ...Read more

Dr. Robert Binford
77 doctors shared insights

Mitral Stenosis (Definition)

Mitral stenosis is a narrowing and stiffening of the heart valve separating the top and bottom chambers of the left side of the heart. This narrowing makes it more difficult for blood from the top chamber of the heart to flow to the bottom chamber. Many cases of mitral stenosis are caused by a prior ...Read more


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How can there be a systolic murmur in mitral stenosis without regurgitation in the mitral area?

How can there be a systolic murmur in mitral stenosis without regurgitation in the mitral area?

Pulmonary HTN: You're correct. Mitral stenosis produces a diastolic rumble or murmur. However, as mitral stenosis worsens patients develop pulmonary hypertension. This in turn will increase the pressure in the right ventricle which could induce a normal tricuspid valve to leak. This murmur would be systolic. ...Read more

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Can you explain why we can hear better the diastolic murmur of mitral stenosis during expiration?

Can you explain why we can hear better the diastolic murmur of mitral stenosis during expiration?

Venous Return: In general when you expire (breath out) you decrease the amount of venous return to the right side of the heart but increases blood volume going to the left heart. Left sided murmurs will increase in intensity with expiration and right sided murmurs will increase in intensity/sound with inspiration. ...Read more

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How are aortic stenosis and mitral regurgitation murmur different?

Mitral regurgitation: Mr murmur is an early systolic, holosystolic, or also referred to as blowing systolic murmur best heard over the apex radiating to the left axilla. Aortic stenosis is an ejection systolic murmur best heard over the right upper stern all border, radiating to the neck, and there may be an ejection systolic click heard over same area and apex. ...Read more

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What are the differences between aortic stenosis and mitral regurgitation murmur?

What are the differences between aortic stenosis and mitral regurgitation murmur?

Multiple: The pitch is different. Also, each is better heard in a different location in the chest, and the duration of the murmur during the cardiac cycle are different. ...Read more

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What is mild mitral stenosis?

What is mild mitral stenosis?

Narrowing: Mitral stenosis is a thickening of the mitral valve leaflets. This results in narrowing that restricts blood flow through the valve. Ms is rated as mild, moderate, or severe. Severe ms usually requires valve surgery. Mild does not cause symptoms but should be monitored periodically. ...Read more

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What occurs during mitral stenosis?

Restricts blood flow: Mitral stenosis is when the mitral valve fails to open sufficiently. This restricts the blood flow into the left ventricle (the main pumping chamber). This causes the left atrium to dilate and increase pressure in the lungs. This causes shortness of breath, increase BP in lungs, abnormal heart rhythms, and heart failure. ...Read more

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Can someone?Die from mitral stenosis?

Can someone?Die from mitral stenosis?

Yes: Mitral stenosis usually presents with a long history (years)of symptoms including shortness of breath, weakness, arrhythmias and heart failure etc. one can die from this condition. ...Read more

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Can someone die from mitral stenosis?

Mitral stenosis: Much more common in under developed countries than in theusa because of inacessible antibiotics on a regular basis to treat rheumatic fever, which is the most common cause of later mitral stenosis which can be lethal if not treated. ...Read more

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What are the tests for mitral stenosis?

What are the tests for mitral stenosis?

Echo, cath: Echocardiogram is the most common test for mitral stenosis, as the structure and function of the valve can be assessed visually. Cxr can give information regarding chamber size and valve calcification. Ekg and holter monitor can reveal atrial fibrilation, a common arrhythmia associated with mitral stenosis. Heart cath would reveal the hemodynamics and the need for surgical intervention. ...Read more

Dr. Barton Cook
400 doctors shared insights

Heart Murmur (Definition)

Heart murmurs are clinical findings in which a physician hears a murmur (a sound caused by the flowing and turbulence of blood) during the physical exam of a patient. Murmurs occur due abnormalities in the valves of the heart ...Read more


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