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It signifies the closure of AV valves.

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15y ago

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Where is the s1 heart sound heard the loudest?

S1 makes a "lub" sound. It is the first heart sound in a normal rhythm. The sound is produced when the AV valves close.


What heart sound is stronger at the apex of the heart?

First heart sound S1-LUB


Which heart sound coincide with the carotid artery pulse?

S1


What is s1s2?

S1 S2 are heart sounds. The S1 sound occurs at the beginning of systole (end of diastole). The S2 sound occurs at the beginning of Diastole (end of systole).


The first heart sound is heard when?

S1 which is the closing of the atrioventricular valves.


Where is s1 heard the loudest?

The 1st heart sound, S1 (lub), marks the beginning of systole (end of systole). Related to the closure of the mitral and tricuspid valves. Loudest at the apex.


Why S1 is the loudest sound?

S1, or the first heart sound, is the loudest because it is produced by the closing of the atrioventricular valves (mitral and tricuspid valves) during systole. This closure creates a more forceful and prominent sound compared to the closing of the semilunar valves which produce S2.


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.


Is the lubb sound s1 or s2?

s1. It is due to the closure of the AV valves at the start of systole


What sounds does a 'healthy heart' make?

slow


The first sound of a cardiac cycle occurs when?

closure of the mitral and tricuspid valves.


What does the word lub-dupp mean?

It refers to the sound the heart makes, heard through the stethescope. lub (S1) is made when the atrioventricular valves in the heart close. dupp (S2) is made when the semilunar valves in the heart close.