Testing & diagnosis for pulmonary valve stenosis in children

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Contact the Heart Center

At Boston Children's Hospital, we know that the first step in treating your child is forming an accurate and timely diagnosis.

The exam

If your newborn baby or young child is experiencing symptoms, your pediatrician will refer you to a pediatric cardiologist, who will perform a physical exam. The cardiologist will listen to your baby’s heart and lungs, measure the oxygen level in his blood (non-invasively) and make other observations that help to determine the diagnosis.

Your Boston Children’s cardiologist will hear a heart murmur—a noise heard through the stethoscope that’s caused by the turbulence of blood flow. The location in the chest where the murmur is best heard, as well as the sound and character of the murmur itself, will give the cardiologist an initial idea of the kind of heart problem your baby may have.

The tests

One or both of the following medical tests will also used to diagnose your child’s pulmonary valve stenosis:

  • electrocardiogram (EKG): An EKG is used to evaluate the electrical activity of your child’s heart. It is performed by placing electrodes on the arms, legs and chest to record the electrical activity. The test takes five minutes or less and involves no pain or discomfort. 
  • cardiac ultrasound (echocardiogram): An echocardiogram evaluates the structure and function of your child’s heart using electronically recorded sound waves that produce a moving picture of the heart and heart valves. If your baby has pulmonary valve stenosis, the ultrasound will reveal the malformed pulmonary valve. No discomfort is involved. The procedure typically takes 30-60 minutes.

Patient Stories

Read stories of Boston Children’s patients with heart disease… and hear words of wisdom from their parents, siblings and caregivers.

We are grateful to have been ranked #1 on U.S. News & World Report's list of the best children's hospitals in the nation for the third year in a row, an honor we could not have achieved without the patients and families who inspire us to do our very best for them. Thanks to you, Boston Children's is a place where we can write the greatest children's stories ever told.”
- Sandra L. Fenwick, President and CEO

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