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If you have a harmless heart murmur, more commonly known as an innocent heart murmur, you likely won't have any other signs or symptoms. An abnormal heart murmur may cause no obvious other signs or symptoms, aside from the unusual sound your doctor hears when listening to your heart with a stethoscope. But if you have these signs or symptoms, they may indicate a heart problem: Skin that appears blue, especially on your fingertips and lips.
This is not a health problem. A heart murmur can be a sign of a health problem when there is a hole between two parts of the heart and the blood is coming from two directions at once, mixing together and causing turbulence and your doctor can hear it. This type of heart murmur may be a problem.