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Doctor insights on: Lub Dub Murmur

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Dr. Barton Cook
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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


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What does a flow murmur mean?

What does a flow murmur mean?

Blood flowing: Across heart valves. A normal flow murmur is benign. ...Read more

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How loud is the murmur from a small vsd?

How loud is the murmur from a small vsd?

Varies: The intensity of the murnur can vary depending on various patient factors, including the precise location of the defect in the wall, the size of the patient, the pressure on the right side of the heart, etc. However, a restrictive vsd will usually produce a prominent murmur. ...Read more

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In an adult, what kind of murmur would an undiagnosed PDA cause?

In an adult, what kind of murmur would an undiagnosed PDA cause?

Continuous: A continuous machinery sounding murmur may be heard just under the left clavicle (collarbone). ...Read more

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How common are innocent murmurs in someone 25? Can they last forever?

How common are innocent murmurs in someone 25? Can they last forever?

Murmur: A heart murmur. A murmur is just noise. Sometimes serious problems cause a murmur many times a murmur is caused by normal flow. Patients often misctranslate what the dr. Tells them. ...Read more

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What are holosystolic murmurs?

Sounds...: Classically, a vsd results in increased blood flow from left to right ventricle due to pressure differences and results in a holosystolic murmur. This means that the murmur begins with the av valves closing and ends with the aortic/pulmonic valves closing (phase known as systole). ...Read more

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How come we got diastolic murmurs?

How come we got diastolic murmurs?

Diastolic murmurs: Flow occurs during ventricular diastole as the ventricles fill. Abnormal mitral/tricuspid stenosis can produce such a murmur with impaired diastolic filling, while regurgitation across the aortic/pulmonary valves can accentuate flow into ventricles also producing a murmur. ...Read more

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What is a neck murmur?

Bruit: A murmur that arises in a blood vessel (instead of the heart) is called a bruit (pronounced "brew-eee"). It is due to turbulence, usually from a blockage. In the neck, the culprit is the carotid artery. ...Read more

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What is a cystic murmur?

Murmur: it is systolic not cystic, and refers to having a heart murmur-sound in the systole phase of the heart. ...Read more

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