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Heart Murmur: Tests and Diagnosis

Diagnosing the cause of a heart murmur

A murmur is diagnosed when a doctor hears something extra or unusual in the sound of blood flow. If your child's pediatric cardiologist thinks a murmur might be abnormal, he or she will order an electrocardiogram (EKG) or echocardiogram (ECHO) to look at the structure of the heart and how it's functioning. These are safe and painless tests that use electrical signals from the heart and sound waves to produce a movie of the heart at work.

From the EKG and/or ECHO, our team will usually be able to diagnose what's causing the murmur and, if necessary, develop a treatment plan to fix it.

Helpful resources

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