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by Kassir K
(Ebstein Malformation—Child; Anomaly, Ebstein—Child; Malformation, Ebstein—Child)


Ebstein anomaly is a rare heart defect. It happens when the tricuspid valve forms lower than normal in the right ventricle. Also, the valve does not open and close as it should. This lets blood leak in the wrong direction. Ebstein anomaly can be mild to severe.

Heart Chambers and Valves
heart anatomy
Copyright © Nucleus Medical Media, Inc.
Blood Flow Through the Heart
Copyright © Nucleus Medical Media, Inc.


This problem is present at birth. It is not known exactly why the heart does not form the right way.

Risk Factors

Specific risk factors are not clear. Some possible ones are:

  • Chromosomal abnormalities
  • Environmental exposure
  • Certain medications taken by a pregnant mother, such as lithium


Symptoms vary based on how severe the defect is. In some children, there may not be any. In other children, they are:

  • Blue or pale skin color
  • Rapid heart beat or skipped heart beats
  • Low energy
  • Shortness of breath
  • Chest pain


You will be asked about your child’s symptoms and health history. A physical exam will be done. During the exam, the doctor may find a heart murmur .

Pictures may be taken of your child's chest. This can be done with:

An electrocardiogram may also be done to measure the electrical activity of the heart.


Talk with the doctor about the best plan for your child. Often, surgery is needed right away. The options are:


Medications may be given to:

  • Help restore normal heart rhythms
  • Reduce fluid in the body
  • Improve the way the heart works


Depending on your child’s health, the doctor may advise:

  • Surgery—Surgery may be needed to fix or replace the tricuspid valve. This will reduce leaking.
  • Ablation procedure—This may be done if your child is having abnormal heart rhythms. A tube is threaded up to the heart. Abnormal tissue is destroyed to stop the abnormal rhythms.

Lifelong Monitoring

Your child will have regular exams from a heart specialist. In some cases, your child may need antibiotics before some dental or medical procedures. This is to prevent infections.


Ebstein anomaly can’t be prevented because the cause is unknown.


Ebstein’s Anomaly Foundation  http://www.ebsteinsanomaly.org 

National Organization of Rare Disorders  https://rarediseases.org 


Canadian Cardiovascular Society  http://www.ccs.ca 

Heart and Stroke Foundation of Canada  http://www.heartandstroke.ca 


Ebstein’s anomaly. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/CongenitalHeartDefects/AboutCongenitalHeartDefects/Ebsteins-Anomaly%5FUCM%5F307025%5FArticle.jsp. Updated January 19 2018. Accessed June 28, 2018.

Ebsteins anomaly. Cincinnati Children’s Hospital website. Available at: http://www.cincinnatichildrens.org/health/e/ebstein. Updated January 2016. Accessed June 28, 2018.

Ebstein anomaly of the tricuspid valve. EBSCO DynaMed Plus website. Available at:   https://www.dynamed.com/topics/dmp~AN~T114604/Ebstein-anomaly-of-the-tricuspid-valve  . Updated November 22, 2017. Accessed June 28, 2018.

Symptoms and diagnosis of congenital heart defects. American Heart Association website. Available at: http://www.heart.org/HEARTORG/Conditions/CongenitalHeartDefects/SymptomsDiagnosisofCongenitalHeartDefects/Symptoms-Diagnosis-of-Congenital-Heart-Defects%5FUCM%5F002029%5FArticle.jsp. Updated January 19, 2018. Accessed June 28, 2018.

7/14/2017 DynaMed Plus Literature Surveillance Update  https://www.dynamed.com/topics/dmp~AN~T116076/Congenital-ventricular-septal-defect-VSD-in-children-and-adults  : Patorno E, Huybrechts KF, et al. Lithium use in pregnancy and the risk of cardiac malformations. N Engl J Med. 2017 Jun 8;376(23):2245-2254.

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