Endocarditis

Question 1

Name the 4 types of endocarditis

Answer 1

Infective, Rheumatic, Nonbacterial thrombotic, Libman-Sacks

Question 2

Discuss the vegetations of infective endocarditis

Answer 2

Can cause Ring abscesses

Question 3

Physical exam of endocarditis

Answer 3

A new murmur

Question 4

What is the most common organism in Acute Native Valve endocarditis?

Answer 4

Staph Aureus

Question 5

What is the most common organism in SubAcute Native Valve endocarditis?

Answer 5

Strep viridans

Question 6

What is the most common organism in Prosthetic Valve Endocarditis?

Answer 6

Staph epidermidis (Coagulase negative)

Question 7

What is the most common organism in Intravenous Drug endocarditis?

Answer 7

Staph Aureus

Question 8

Discuss Rheumatic Endocarditis

Answer 8

1. Fusion of valve commisures
2. Antibodies against M protein
3. May cause pancarditis

Question 9

Discuss Pancarditis

Answer 9

1. Foci of inflammatory cells and large macrophages (Caterpillar cells)
2. Bread and butter pericarditis (Fibrinous)
3. McCallum plaques: Irregular areas of thickening of LA endocardium

Question 10

Discuss Nonbacterial thrombotic endocarditis

Answer 10

1. Sterile thrombi on leaflets of valves
2. NO ILLICIT INFLAMMATORY RESPONSE
3. Usually multiple along lines of valve closure
4. No microorganisms histologically

Question 11

Discuss Libman-Sacks Disease

Answer 11

1. Fibrinous material contains hematoxylin bodies
2. Can form on either surface of the valve
3. ONLY IN SLE pts