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Doctor insights on: Causes Of Diastolic Murmur

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Does a ?Ventricular septal defect cause a diastolic murmur?

Does a ?Ventricular septal defect cause a diastolic murmur?

Holosystolic: Classically, a vsd results in increased blood flow from left to right ventricle due to pressure differences and results in a holosystolic murmur. Several situations where a diastolic murmur may be heard is 1) large vsd results in aortic cusp sucking into vsd and aortic regurg, 2) very large defect with so much flow to lungs and back to left side with diastolic rumble through mitral valve. ...Read more

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Dr. Barton Cook
415 doctors shared insights

Heart Murmur (Definition)

A heart murmur is a sound heard by a stethoscope made by the vibration of blood flow. It can be a normal finding in young healthy people, or can represent abnormal leakage (regurgitation) of a valve, valve narrowing (stenosis), or a congenital condition such as an atrial septal defect, a ventricular septal defect, ...Read more


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Could ventricular septal defect cause diastolic murmur?

Could ventricular septal defect cause diastolic murmur?

Two ways: A large vsd with increased pulmonary blood flow may cause a diastolic flow rumble caused by a large amount of flow coming back from the lungs across the mitral valve into the left ventricle. Perimembranous and supracristal vsds can cause aortic valve deformation, and subsequent development of a diastolic murmur of aortic valve insufficiency. ...Read more

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Hello doctors, can ventricular septal defect cause diastolic murmur?

Hello doctors, can ventricular septal defect cause diastolic murmur?

Not typical: The classic VSD physical finding is of course a holosystolic murmur. However, if the VSD is subarterial or supracristal, it can distort the aortic valve, sometimes causing leaflet prolapse. If this results in significant aortic insufficiency, there will be an associated diastolic murmur (with the insufficiency representing an indication for surgical repair). ...Read more

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Can ventricular septal defect cause diastolic or systolic murmur?

Can ventricular septal defect cause diastolic or systolic murmur?

Yes: Almost all vsd's cause a syhstolic murmur. Larger defects with a lot of flow across them cause a diastolic murmur from increased flow across the mitral valve. ...Read more

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What is a diastolic murmur ?

Turbulent blood flow: A murmur is a sound that is heard when blood flow is turbulent. Normal blood flow is like a lazy flowing and quiet river. When there is obstruction, the flow becomes turbulent.This is much like when there are rapids in a river and you can hear the sounds. When the sound is heard over the heart, it is called a murmur.When it occurs during diastole, when the ventricles fill with blood it's diastolic. ...Read more

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What is diastolic murmur like?

What is diastolic murmur like?

Murmurs...: A diastolic murmur just means a sound heard during the diastolic filling phase of the pumping chambers of the heart. For example, mitral stenosis causes a diastolic murmur as blood flows from la to lv during diastole. Aortic regurgitation is a diastolic murmur as blood leaks back through the aortic valve. ...Read more

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Is there diastolic murmur in pulmonal stenosis?

Is there diastolic murmur in pulmonal stenosis?

Pulmonary stenosis: The pulmonary valve opens when the right ventricle contracts. This is during systole. So, if there is pulmonary stenosis, the murmur would be observed during systole. If the valve would be leaking, however, that would be heard when the valve is supposed to be closed or during diastole... ...Read more

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Why can we hear better the diastolic murmur in expiration?

Why can we hear better the diastolic murmur in expiration?

Proximity: In expiration less air is in the lungs moving the heart and great vessels closer to the chest wall and therefore the stethoscope. This makes the murmurs louder and easier to hear. ...Read more

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How come we got diastolic murmur in pulmonic stenosis?

How come we got diastolic murmur in pulmonic stenosis?

Irrelevant: Systolic/diastolic irrelevant. Degree of pulmonic stenosis determined on echo and cardiac cath. Depending on severity, corrective intervention warranted. ...Read more

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A 60y.O. Female complaining of dyspnea and arrythmia with diastolic murmur, what are the possibilities?

Valvular heart disea: In a female particularly if not born in the us a cardiac arrhythmia particularly atrial fib associated with a diastolic murmur suggest mitral stenosis . Non af and diastolic murmur suggest aortic insufficiency which still may be due to rheumatic heart disease . Physical examination is diagnostic and 2d echo is confirmatory. ...Read more

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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

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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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Diastolic murmur go with aortic regurgitation?

Diastolic murmur go with aortic regurgitation?

Yes: A diastolic decreshendo high pitched murmur heard best leaning forward with the stethoscope over the lower sternum suggest aortic regurgitation, although further evaluation will be necessary. ...Read more

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Diastolic murmur aortic regurgitation. Is this bad?

Diastolic murmur aortic regurgitation. Is this bad?

Yes: How bad depends on regurgitant fraction, left ventricular dimension, ejection fraction, pulmonary pressures. Echocardiogram and cardiac cath. Needed to assess for correction. ...Read more

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Could a heart murmur be a cause for concern?

Could a heart murmur be a cause for concern?

Depends: There are many different types of murmurs, not all are a problem. A good physical may be all that is needed . Other testing such as echocardiograhy can be very helpful. See your doctor. ...Read more

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What could cause a systolic heart murmur in a child?

What could cause a systolic heart murmur in a child?

Many things: The most common systolic murmur is an innocent flow murmur. Some murmurs represent rapid blood flow through a tight valve or tube, some rapid flow through a whole. Many docs are rained to know based on exam, but a cardiac ultrasound is sometimes done to confirm or exclude the initial impression. ...Read more

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What could cause a systolic heart murmur in a child?

What could cause a systolic heart murmur in a child?

Many are Normal: Many children develop Heart murmurs as they grow. They are caused by blood vibrating the heart as it beats. Sometimes it can be caused by a hole in the heart or other abnormal changes in heart valves. A visit to a pediatric heart specialist would be a great way to clarify this. Most of them are innocent ( not a significant health issue) and resolve without treatment. Get it checked ...Read more

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What can cause a heart murmur to suddenly get worse?

What can cause a heart murmur to suddenly get worse?

THE HEART VALVE: Creating the murmur has become thicker or less mobile or more floppy. ...Read more

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What is the cause of a heart murmur in a child who is normal?

What is the cause of a heart murmur in a child who is normal?

Innocent murmur: A heart murmur in a healthy, normal child is often and innocent "flow" murmur... Essentially, we heart the blood flow across normal heart structures. ...Read more

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