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Definition of Aortic regurgitation

Aortic regurgitation: The return of blood from the aorta into the left ventricle of the heart due to aortic valve insufficiency, incomplete closure of the aortic valve.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=31850
Last Editorial Review: 10/30/2013

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