I was the one to speak first, proposing that my companions should sup with me, not across the way, which would be riotous with more than one infernal supper, but in another much more select establishment in a side street away from the Cannebiere.
A heart murmur is a sound that is created by inadequate blood flow through the heart and its large vessels, for example the aorta. Some are born with a heart murmur and further testing doesn't reveal any significant problem. This is called a physiological murmur. http://www.5min.com/Video/What-is-Innocent-Heart-Murmur-5501
The murmur is the sound of blood flowing. It may be passing through a heart valve that has problems, for instance. Or it may be that a condition is making your heart beat faster, forcing your heart to handle more blood quicker than normal. Heart murmurs are the result.