Usually a heart murmur means that one of your valves is not functioning 100%. I also have a murmur and for the most part have had to do nothing about it my whole life. About 3 years ago I was told I should take premeds before having any operation or dental work which I do since bacteria released during these procedures could infect the valve. The type of murmur I have needs additional monitoring so I go to a Cardiologist and have an ECHO performed every year. In addition, I am taking an ACE inhibitor to lower blood pressure thus hopefully prolonging the life of my valve. However, from what I have been told, most murmurs are harmless. I would recommend getting an ECHO done to figure out which valve is leaking and consult a Cardiologist on if there is any need for concern. Good Luck and don't stress about it.
Thanks for the replies. I have been to a cardiologist, I was having chest pains last year and I had a stress test about a year ago and heart catheterization last February, I have a 30 % blockage in one artery, but nobody said anything about a heart murmur. Could this have started since then? Wouldn't the cardiologist have told me if I had a heart murmur then ?