Confused about heart sounds? Erb's Point?

[succinate]

I want one clarification about heart sounds...I cannot find anything on the Internet, so I thought it might be best to ask here.

Is Erb's Point referred to the sound of the closure of both aortic and pulmonary valves? Also is it same as LLSB (Lower Left Sternal Border) because that's what my professor said, however the picture showed that LLSB is not at the same spot as Erb's point.

Any help is much appreciated!

[Zelda21]

A neat website for heart sounds - The Auscultation Assistant - but this may not answer your question

Please someone correct me if any of my information is incorrect ?

You auscultate Erbs point at the 3rd intercostal space on the left side. Close / similar to the lower left sternal border (LLSB is in the 4th intercostal space, Erbs point is 3rd).

At Erb's point you should be able to hear S1 and S2 sounds equally, so S1 (lub) = closure of mitral and tricuspid valves, and s2 (dub) = closure of aortic and pulmonic valves. Erbs point is sort of a combonation of the aortic and pulmonic areas in terms of what you will hear.

[succinate]

Thank you so much!

[VAgirl247]

You tube is also great for videos.