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The difference between lub and dub (The heart sounds S1 and S2 of a heartbeat) is that the lub occurs when atrioventricular valves close, and dub occurs when the aortic and pulmonary valves close (valves leading out of the heart from the left and right ventricles).

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What are the two heartbeat sounds?

The normal sinus rhythm sounds like a "lub-dub". The "lub" is the sound of the two atrioventricular valves (mitral for left atrium to left ventricle, tricuspid for right atrium to right ventricle) closing immediately after atrial contraction and then relaxation. The "dub" is the sound of the two sumilunar valves (aortic for left ventricle to aorta, pulmonary for right ventricle to pulmonary artery) closing immediately after ventricular contraction and then relaxation.


What happen to cause the lub sound?

A lub sound can occur due to lack of lubrication or friction between two surfaces. It can also indicate wear and tear on mechanical components, such as bearings or gears. If you hear a lub sound, it is essential to investigate the source to prevent potential damage.


What is the LUBDUB sound we hear when listening to the heart?

The "LUB" sound is created by the closing of the mitral and tricuspid valves during systole as blood is pumped out of the ventricles. The "DUB" sound is caused by the closing of the aortic and pulmonary valves during diastole as the ventricles relax and fill with blood. Together, these sounds represent the normal functioning of the heart's valves during the cardiac cycle.


What is the relation between the path difference and phase difference?

The phase difference between two waves is directly proportional to the path difference between them. The phase difference is a measure of how much the wave has shifted along its oscillation cycle, while the path difference is a measure of the spatial separation between two points where the waves are evaluated.


What is the equation for calculating the phase difference between two waves?

The equation for calculating the phase difference between two waves is: Phase Difference (2 / ) (x) Where: Phase Difference is the difference in phase between the two waves is the wavelength of the waves x is the difference in position between corresponding points on the waves

Related Questions

Is there a rest period between lub and dub?

lub dub half second


What is the difference in heart sounds?

lub dub lub is when the av valves close and dub is when the semi lunar valves close


What sound does a beating heart make?

lub dub lub dub


What is ''lub dub''?

"Lub dub" is the sound the human heart makes as blood passes through it.


An example of a Calligram poem?

Bath- Time Valentine Lub dub lub dub lub dub lub dub a double- typed bubble pumps red & blue, a dove coos, a fountain flows and blossoms sway to this song, honey: I love you. I love love love love you.


What monosyllables are used to describe heart sounds?

Heart sounds are noises generated by the beating heart from the flow of blood through it. Thump, boom can be used to describe it. Lub and Dub are also used. There are other sound words that suggest problems with the hearbeat as well.


What sounds does a heart make?

Lub-Dup. (Also lub-dub)


What is the sound of your beat?

Lub-Dub.


What creates the whirring sound between the lub and the dub in a heart with a heart murmur?

Blood


What are Lub and dub?

The sounds LUB and DUB (also dup) are used to indicate a human heartbeat, with the LUB sound made by the closing of atrioventricular valves, and the DUB by the closing of the exterior or semilunar valves (aortic valves and pulmonary valve).


The lub or first heart sound is produced by the closing of?

there are 2 sounds the heart makes. "lub-dub" the first ("lub") is when the atrioventricular valves sclose the second ("dub") is when the semilunar valves close


What produces the heart sounds as heard with a stethocope?

The closing of the mitral and tricuspid valves produces the S1 sound, followed by the closing of the aortic and pulmonic valves, which produce the S2 sound. In sequence, it sounds like "lub-DUB, lub-DUB, lub-DUB".