Cardiovascular Glossary A-Z (All) | Texas Heart Institute
WebHeart murmur -An abnormal heart sound caused by turbulent blood flow. The sound may indicate that blood is flowing through a damaged or overworked heart valve, that there may be a hole in one of the heart’s walls, or that there is a narrowing in one of the heart’s vessels. Some heart murmurs are a harmless type called innocent heart murmurs.
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