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The heart makes a "lub-dub" sound. The first is when the AV valves close and the ventricles are filled. The second is when the semi-lunar vlaves close and the blood is sent to the lungs, or to the rest of the body.

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What occurs during the time between the first heart sound and the second sound a. systole d. a heart mur mur b. diastole e. the p wave of the ecg c. ventricular filling?

I have no idea:P


What is emptying after the second heart sound?

My bladder.


What valve causes the second heart sound?

The closing of the mitral and tricuspid valves results in the first heart sound. The closing of the aortic and pulmonic valves results in the second heart sound.AV valve


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 filled with blood after the second heart sound?

right atrium


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.


What parts of the heart make the beating sound?

The first heart sound, the so called "lub", comes from the closure of the atrioventricular valve. The second heart sound, the "dup", comes from the closure of the semilunar valve.


The second heart sound occurs as a result of valve closure due to?

The second heart sound, also called S2, is a result of the closing of the aortic and pulmonic valves. The heart sounds are described as sounding like "lub-dub".


What produces the systolic korotkoff sound?

The first Korotkoff sound is the sound produced by the turbulence of the AV (atrioventricular valves) closing specifically the tricuspid and mitral valves. The second Korotkoff sound is produced by the closure of the aortic and pulmonary valves. You can hear a splitting of the second heart sound in a highly efficient heart.


How does venous pressure rise during 2nd heart sound?

The venous pressure increases during the second heart sound because of the increased negative pressure. 2nd heart sound heard when AV valves close,ventricular diastole


What does a healthy heart sound?

In healthy adults, there are two normal heart sounds often described as a lub and a dub, that occur in sequence with each heart beat. These are the first heart sound (S1) and second heart sound (S2), produced by the closing of the AV valves and semilunar valves respectively.


What are terms for heart beats?

Pulse (pulse = to beat) or Complete Cardiac Cycle (beginning of one heartbeat until the beginning of the next) are two medical term for "heartbeat". Listen to your heartbeat and you might distinguish two sounds. The first sound is the closing of the upper atrioventicular valves. The second sound is the closing of the semilunar valves. This is the pushing of the blood out of the heart. Between beats, the heart is filling with blood and preparing for another push or pulse.