41. He contracted bacterial endocarditis brought on by the rheumatic fever he had as a child. 42. However, it may also rarely cause endocarditis , an infection of the heart valves. 43. Another sign is endocarditis of the right side of the heart and the tricuspid valve. 44. It has been found to rarely cause endocarditis , an infection of the heart valves. 45. It is involved in growth depression in young chickens and endocarditis and septicemia in humans. 46. In 1937, Kevin was diagnosed with endocarditis , a potentially life-threatening disease. 47. Levan died on November 8, 1992 at age 38 of heart failure resulting from endocarditis . 48. Infective endocarditis is a severe condition which occurs on native as well as on artificial valves. 49. The bacterium was discovered to be the causative agent of heart infection ( acute endocarditis ). 50. If the catheter is removed without giving antibiotics, 38 % of people may still develop endocarditis .