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Endocarditis Types

Summary slide (p. 318) of types of endocarditis

Type of Endocarditsvegetation size/descriptionInfected Valve/locationOther Features
Infective Endocarditis • Large (up to 3 cm) • Friable • Tan/red/grey/brown • most commonly of valves: 35% mitral alone, 20% aortic alone and 20% both • Vegetations on atrial side of AV valves and ventricular side of semilunar valves • Uncommon • 70% have predisposing heart disease • 100% fatal if undiagnosed and untreated
Acute Rheumatic Endocarditis • Tiny (1-2 mm) • Usually on the line of valve closure • Microscopic Aschoff bodies • Later fish-mouth or buttonhole mitral stenosis • Later thickened, fibrotic, fused chordate tendineae
Marantic Endocarditis • Small (1-5 mm) • Red-tan • Most common on atrial side of mitral valve line of closure • Second most common on ventricular side of aortic valve • Common • Commonly embolize • Sometimes converted to infective endocarditis
Libman Sacks Endocarditis • Small-medium • Red • Variable shape • Commonly multiple valves • On either or both sides of the valves • Part of SLE • usually with simultaneous pericarditis • NO EMBOLI from vegetations
Libman Sacks Endocarditis • Small-medium • Red • Variable shape • Commonly multiple valves • On either or both sides of the valves • Part of SLE • usually with simultaneous pericarditis • NO EMBOLI from vegetations
Created by: karkis77