. . . "Hi Ray,I understand the concern, but, you may want to get this murmur thing explained to you in details. there are many types and most are clinically irrelevantIf I get it right it is like when a door is a little stiff to open. but, as long as it opens and closes in sync, there is no leakeage and the pump retains its efficiency.My wife has got murmurs, that, after checking at the local (old-timer)" .