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Definition of Murmur

Murmur: A sound due to vibrations from the flow of blood through the heart or great vessels. A murmur may be innocent and be of no significance. Or it may be pathologic and reflect disease. A murmur is usually heard with a stethoscope.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=4463
Last Editorial Review: 6/14/2012

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