Endocarditis, also called infective endocarditis (IE), is an inflammation of the inner lining of the heart. The most common type, bacterial endocarditis, occurs when germs enter your heart. These germs come through your bloodstream from another part of your body, often your mouth. Bacterial endocarditis can damage your heart valves. If untreated, it can be life-threatening. It is rare in healthy hearts.
Risk factors include having
- An abnormal or damaged heart valve
- An artificial heart valve
- Congenital heart defects
The signs and symptoms of IE can vary from person to person. They also can vary over time in the same person. Symptoms you might notice include fever, shortness of breath, fluid buildup in your arms or legs, tiny red spots on your skin, and weight loss. Your doctor will diagnose IE based on your risk factors, medical history, signs and symptoms, and lab and heart tests.
Early treatment can help you avoid complications. Treatment usually involves high-dose antibiotics. If your heart valve is damaged, you may need surgery.
If you're at risk for IE, brush and floss your teeth regularly, and have regular dental checkups. Germs from a gum infection can enter your bloodstream. If you are at high risk, your doctor might prescribe antibiotics before dental work and certain types of surgery.
NIH: National Heart, Lung, and Blood Institute
- What Are the Signs and Symptoms of Endocarditis? (National Heart, Lung, and Blood Institute)
Prevention and Risk Factors
- Prevention of Infective (Bacterial) Endocarditis: Wallet Card (American Heart Association) - PDF
Treatments and Therapies
- How Is Endocarditis Treated? (National Heart, Lung, and Blood Institute)
- ClinicalTrials.gov: Endocarditis (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Infective endocarditis in patients with cancer: a consequence of invasive...
- Article: Comparison of Outcome of Possible Versus Definite Infective Endocarditis Involving...
- Article: Dental procedures, antibiotic prophylaxis, and endocarditis among people with prosthetic...
- Endocarditis -- see more articles