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A 19-year-old female asked:

I was found to have a cardiac bruit. what is this exactly and what are the causes?

3 doctor answers5 doctors weighed in
Dr. Rex Mahnensmith
A Verified Doctoranswered
A US doctor answeredLearn more
Bruit: A bruit is a turbulent flow sound heard with the stethoscope. Turbulent flow happens across a valve in your heart. Either a valve does not close tightly during systolic ejection of blood. Or a valve does not open completely during ejection of blood. During systole the aortic and pulmonic valves should open wide and the mitral and tricuspid valves should close, to prevent "backflow ".
Dr. Rex Mahnensmith
A Verified Doctor commented
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Provided original answer
Thanks. And rarely, a hole can exist between heart chambers -- this is a childhood finding in some.
Dec 30, 2014
Dr. Bennett Werner
Cardiology 44 years experience
Misunderstanding: A cardiac murmur is a noise that can be detected when the examiner listens with his/her ears - usually through a stethoscope. It's caused by turbulence of blood flow through a valve or a chamber. When a murmur is detected outside the heart, it's called a "bruit". Thus, there is no such thing as a "cardiac bruit". Some bruits are quite normal - for instance, they're often found in pregnancy.
Dr. Calvin Weisberger
Cardiology 51 years experience
Bruit: A bruit is analogous to a murmur, it is caused by turbulent blood flow.

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Last updated Nov 28, 2017

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