Austin Flint vs Aortic Regurg.

[BMW M3]

I read that when you develop an "austin flint" murmur, you need to get your aortic valve replaced because you are forcing your mitral valve closed. So what exactly is the difference between an "austin flint" murmur and a standard murmur of aortic regurgitation? Does anyone have a picture of the murmur acoustics?

As we are still on the subject, valve replacements get warfarin, and coronary stents get clopidogrel?

Thanks in advance

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[ASDIC]

Austin Flint murmur occurs exclusively in aortic regurg. It is characterized by the collision of retrograde blood flow from the aortic valve and anterograde blood flow from the mitral valve during diastole. If your aortic regurg is severe enough, then you will hear an Austin Flint murmur, thus requiring valve replacement.

 

[BMW M3]

Austin Flint murmur occurs exclusively in aortic regurg. It is characterized by the collision of retrograde blood flow from the aortic valve and anterograde blood flow from the mitral valve during diastole. If your aortic regurg is severe enough, then you will hear an Austin Flint murmur, thus requiring valve replacement.

so how exactly do you tell that you have an austin flint murmur as opposed to a regular aortic regurg?