A heart murmur is the sound heard when blood flows roughly, or abnormally across a heart valve. Your healthcare provider can hear the murmur when listening to your heart with a stethoscope. People of all ages can have heart murmurs. Many heart murmurs are harmless, but a murmur might mean you have a problem with your heart.
Heart murmurs may be caused by a number of factors or diseases, including defective heart valves, fever, and pregnancy. Read on to learn more about this condition.
A heart murmur is blood flow in the heart that makes a noise. Heart murmurs are common in children, and most often a normal part of growth. See how a heart murmur occurs, and when it may need to be treated.
The heart makes sounds as the heart valves open and close to allow blood to flow through the heart. When blood does not flow smoothly through the heart or heart valves, it causes the noise. This is called turbulence. Heart murmurs can be harmless (innocent) or caused by a heart problem (pathologic).