Heart sounds are the noises made as blood moves through the heart with each heartbeat. When the heart valves close, they make a distinct lubb-dupp sound. Healthcare providers listen to the heart's ...

A heart murmur is an extra sound that can occur between heartbeats as blood moves through the heart. In babies, it is usually not a cause for concern. Sometimes, however, it can indicate an underlying ...

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An aortic stenosis murmur is an unusual sound the heart makes due to a narrowing of the aortic heart valve. The narrowed heart valve restricts blood flow from the heart, which can create a murmur.