Endocarditis is an infection of the endocardium, which is the inner lining of the heart. While this heart infection is treatable, it can also be life-threatening. Treating endocarditis as early as possible may improve survival odds, so early diagnosis is key. It’s important to be aware of the symptoms, which can include a heart murmur, fever or chills, night sweats, fatigue, pale skin and anemia, joint...