Endocarditis - children


The inner lining of the heart chambers and heart valves is called the endocardium. Endocarditis occurs when this tissue becomes swollen or inflamed.


Endocarditis occurs when germs enter the bloodstream and then travel to the heart.

Endocarditis can involve the heart muscle, heart valves, or lining of the heart. Children with endocarditis may have a:

The risk is higher in children who have a history of heart surgery, which can leave rough areas in the lining of the heart chambers.

This makes it easier for bacteria to stick to the lining.

Germs are most likely to enter the bloodstream:


Symptoms of endocarditis may develop slowly or suddenly.

Fever, chills, and sweating are frequent symptoms. These sometimes can:

Other symptoms may include:

Neurological problems, such as seizures and, disturbed mental status

Signs of endocarditis can also include:

Exams and Tests

Your child's health care provider may perform transthoracic echocardiography (TTE) to check for endocarditis in children age 10 years or younger.

Other tests may include:


Treatment for endocarditis depends upon the:

Your child will need to be in the hospital to receive antibiotics through a vein (IV). Blood cultures and tests will help the provider choose the best antibiotic.

Your child will need long-term antibiotic therapy.

Surgery to replace an infected heart valve may be needed when:

Outlook (Prognosis)

Getting treatment for endocarditis right away improves the chances of clearing the infection and preventing complications.

Possible Complications

The possible complications of endocarditis in children are:

When to Contact a Medical Professional

Call your child's provider if you notice the following symptoms during or after treatment:


The American Heart Association recommends preventive antibiotics for children at risk for endocarditis, such as those with:

These children should receive antibiotics when they have:

Review Date: 5/20/2018
Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

This information should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. © 1997- 2007 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.