0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is the Lub-Dub sound?
In the lub-dub version of heart sound, dub is caused by the back rush of blood against a closed aortic or pulmonary valve.
How is a heart beat produced?
The heart beat, also called heart sounds, is produced by the closing of the valves. The valves produce two sounds, known as lub-dub. The atrioventricular valve closing produces the first sound, or lub, and the semilunar valve closing produces the second sound, or dub.
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).
When your heart pounds what is making the sound come from your heart?
The sound coming from your heart is the sound of the valves in the heart closing and the turbulence in the blood that results. In a normal healthy adult the first sound (or lub) is from the closing of the AV valve and the second sound (or dub) is from the closing of the semilunar valve.
An abnormal heart sound that may alert clinicians to the presence of abnormal cardiac valve functioning?
with out lub dub or other abnormal abnormal heart sound
When was Dub Narcotic Sound System created?
Dub Narcotic Sound System was created in 1995.
What sound does a beating heart make?
lub dub lub dub
Which heart sound results from the AV valves closing?
S2, also called the second heart sound, or "dub" when characterized by the sound lub-dub.
What is the sound of your beat?
Lub-Dub.
What is ''lub dub''?
"Lub dub" is the sound the human heart makes as blood passes through it.
What causes the dub dub sounds that the heart make?
It's the sound of the blood hitting the walls of the valves as they close. That is pretty much the most basic way to explain it.The first heart sound a low pitched "lubb it is caused by vibration of the AV valves and surrounding fluid as the valves close at the begining of ventricular systole and the 2nd heart sound "dub" results from the closure of the aortic and pulmonary semilunar valves at the begining of ventricle diastole.The lub-dub sound is caused by the opening and closing of valves in the heart.The lub sound is caused by the shutting of the bicuspid/mitral valve and the tricuspid valve. This occurs when blood from the atrial chambers enter the ventricles.The dub sound is caused by the shutting of the aortic valve and the pulmonary valve. This occurs when the blood from the ventricles are pumped out into the lungs and the rest of the body.This cycle will then repeat itself hence the constant lub-dub lub-dub lub-dub etcThe answer to that question is actually quite simple. I don't know if what you are asking is why does it make a thumping sound?? But if that is the case then I can answer that question. The sound you hear is the heart producing blood and circulating it throughout the body.Hope that helps....The 'lub' is the S1 sound. It occurs due to normal closure of the mitral and tricuspid (atrioventricular) valves. With these valves closed, systole commences and blood is actively squeezed from the ventricles. The second sound is the 'dub' or S2 sound. It occurs as the aortic (to LV) and pulmonary (to RV) valves close to prevent backflow from the blood ejected from the ventricles and marks the beginning of diastole (or filling) of the heart.The "lubb" sound is produced when the atrioventricular valves in the heart close. These valves are deep inside the heart and are between the upper (atrial) and lower (ventricular) chambers. The "dupp" sound is created when the semilunar valves (aortic and pulmonary) close.These valves are at the top of the heart and lead to the arteries that carry blood to either the lungs or the body. The "lubb" is the first heart sound and softer. The "dupp" sound is shorter and louder than the "lubb" sound. This is because the cusps of the semilunar valves are more rigid than the atrioventricular valves (mitral and tricuspid).The closing of the heart valves.Blood pumping through.
What causes the lub-dub sound of your heartbeat?
The 'lub' is the S1 sound. It occurs due to normal closure of the mitral and tricuspid (atrioventricular) valves. With these valves closed, systole commences and blood is actively squeezed from the ventricles. The second sound is the 'dub' or S2 sound. It occurs as the aortic (to LV) and pulmonary (to RV) valves close to prevent backflow from the blood ejected from the ventricles and marks the beginning of diastole (or filling) of the heart.
