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Flashcards in ID - Endocarditis Deck (12):
0

How many of the Duke criteria must be met to Dx infective endocarditis?

2 major OR 1 major + 3 minor OR 5 minor

1

What are the 2 major Duke criteria?

1. 2 positive blood cultures for typical IE organisms
2. Abnormal echo

2

What are typical IE organisms?

S. aureus; Strep. viridans, bovis, enterococci; Gram(-) rods; Candida; or HACEK organisms

3

What are the HACEK organisms?

Haemophilus
Actinobacillus
Cardiobacterium
Eikenella
Kingella

4

What are echo findings indicative of IE (3)?

Intracardiac mass/vegetation, abscess, or new prosthetic valve dehiscence/regurg

5

What are the 5 minor Duke criteria?

1. Fever
2. Risk factors
3. Vascular findings
4. Immunological findings
5. Blood culture (+) not meeting major criteria

6

What are the immunologic findings in IE?

Roth spots, Osler's nodes, or glomerulonephritis

7

What are Osler's nodes?

Painful, pea-shaped lesions

8

What is the best empiric Tx for IE?

Vanc + Gentamicin x 4-6 wks.

9

Which cardiac defects require IE ppx before certain procedures?

Prosthetic valves, unrepaired cyanosic heart dz, previous IE, and transplant recipients w/ valve dz

10

Which procedures require antibiotic ppx for IE?

Dental procedures that cause bleeding, respi tract surgery, and surgery of infected skin

11

What is the appropriate antibiotic for ppx before dental procedures that cause bleeding?

Amoxicillin