Story by: Norton Children's on December 15, 2017
A heart murmur is a sound made by the flow of blood through the heart when a doctor listens with a stethoscope.
Many children have heart murmurs, which can vary as a child grows. If we were to listen to a child’s heart throughout their lifetime, we likely would hear a murmur in most children.
Since only about 1 percent of children have congenital heart disease, this means 99 percent of the extra sounds, or murmurs, doctors hear are normal. We call these innocent or benign murmurs, and they are caused by blood flow through a normal heart.
Often, it’s easier to hear soft murmurs because children have thin chest walls and the heart is closer to the stethoscope. Sometimes the heart is beating faster, increasing the turbulence of blood flow. These factors allow a doctor to hear the blood flow through a structurally normal heart.
Each heart murmur is investigated and a custom care plan is developed for each child. To schedule an appointment, call
If pediatric heart murmurs are common, why would your doctor suggest more testing for your child? Your pediatrician may refer heart murmurs in kids to a cardiologist based on several things, including: