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Echocardiography in Children

What is echocardiography?

Echocardiography is an imaging test. It uses sound waves to make detailed pictures of the heart.

The test can be done in two ways.

  • Transthoracic echo (TTE). This method uses a hand-held wand called a transducer. The healthcare provider moves it across the chest over the area where the heart is. The transducer sends and receives sound waves that are changed into images.
  • Transesophageal (TEE) echo. The test may be done by passing a transducer down through the esophagus. The esophagus is the tube leading from the throat to the stomach. This test may be used when certain pictures of the heart are needed.

Most echocardiography is 2-D. Two views of the heart are used to create the images. Other types include:

  • Doppler. This shows blood flow through the heart.
  • Color Doppler. This shows color images to better see blood flow.
  • 3-D. This gives 3 views of the heart.
  • Stress echocardiography. This shows what the heart does under stress from medicine or exercise.

Why might my child need echocardiography?

Echocardiography is an important imaging test for heart problems in infants and children. It may help diagnose problems your child was born with (congenital). Or it may help diagnose a problem that has developed (acquired). Below are reasons for having echocardiography.


  • Signs or symptoms that may mean a heart problem. These might be a bluish color of the skin (cynanosis) or a heart murmur.
  • Checking the heart because of other congenital problems
  • Family history of congenital heart disease
  • Other abnormal test results


  • Infections or other conditions that may affect the heart
  • High blood pressure
  • Irregular heartbeats

What are the risks of echocardiography?

Echocardiography does not have any risks. If you child needs relaxation medicine (sedation), there may be a small risk for problems. If your child is having sedation, talk with his or her provider.

How do I get my child ready for echocardiography?

  • Your child won’t need to do anything special before an echocardiogram.
  • If your child is old enough to understand, explain that he or she will have to lie still to have pictures taken.
  • He or she may have medicine to go to sleep for a transesophageal echo. It’s sometimes needed for transthoracic echo.
  • Make sure your child knows that the procedure doesn’t cause pain.
  • Most of the time, you can stay with your child during the exam.
  • Your child may also be able to hold a toy or watch TV or a movie during the exam.
  • For any special instructions, talk with your child’s provider or the facility.

What happens during echocardiography?

The echo may be done in a cardiologist’s office, at a hospital, or at an imaging facility. It takes about 45 to 60 minutes for a transthoracic echo. A specially trained technician (cardiac sonographer) usually does the test. The steps are:

  • Your child will lie down on an exam table in a room with the lights dimmed.
  • The technician will put gel on your child's chest to help the transducer move.
  • The technician will put the transducer on the chest and move it around to get the heart images. Your child will feel slight pressure of the probe as it’s moved around the chest.
  • The images display on a computer screen.

Your child will need sedation if he or she is having a transesophageal echo. For this test, the transducer is passed into your child’s mouth, throat, and into the esophagus.

What happens after echocardiography?

Once the test is done, the technician wipes the gel from the chest. If your child had sedation, he or she is watched until awake. A pediatric cardiologist reviews the images at some point after the exam. Depending on the results of the echo, your child may need other tests or procedures.

Next steps

Before you agree to the test or the procedure for your child make sure you know:

  • The name of the test or procedure
  • The reason your child is having the test or procedure
  • The risks and benefits of the test or procedure
  • When and where your child is to have the test or procedure and who will do it
  • When and how will you get the results
  • How much will you have to pay for the test or procedure
Echocardiography in Children - WellSpan Health

Online Medical Reviewer: Freeborn, Donna, PhD, CNM, FNP
Online Medical Reviewer: Holloway, Beth, RN, M.Ed.
Last Review Date: 2015-02-19T00:00:00
Last Modified Date: 2015-11-18T00:00:00
Published Date: 2015-11-18T00:00:00
Last Review Date: 2007-03-30T00:00:00
© 2016 WellSpan Health. All Rights Reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.

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