Endocarditis is inflammation of the inside lining of the heart chambers and heart valves (endocardium).
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Endocarditis can involve the heart muscle, heart valves, or lining of the heart. Most people who develop endocarditis have heart disease of the valves.
Risk factors for developing endocarditis include:
Bacterial infection is the most common source of endocarditis. However, it can also be caused by fungi. In some cases, no cause can be identified.