Endocarditis

Question 1

Which organism causes a native valve acute endocarditis?

Answer 1

Staph aureus

Question 2

Which organisms cause a native valve subacute endocarditis?

Answer 2

Viridans streptococci

Enterococci

Question 3

How many blood cultures should you take for ACUTE native valve endocarditis?

Answer 3

2 sets of blood culture

Start antibiotics within an hour

Question 4

How many blood cultures should you take for SUBACUTE native valve endocarditis?

Answer 4

3 sets of blood cultures 6 hours apart if patient is stable

Question 5

Which organisms cause prosthetic valve endocarditis?

Answer 5

MRSA (resistant to flucloxacillin and all beta lactams)

Coagulase negative staphylococci

Question 6

What investigations should you do if you suspect someone has a CVS related infection?

Answer 6

Blood cultures taken from peripheral site + line using strict aseptic technique
Then commence antibiotics and other investigations

Question 7

What is the treatment for native valve subacute endocarditis?

Answer 7

Amoxicillin IV + Gentamicin

Question 8

What is the treatment for native valve acute endocarditis?

Answer 8

Flucloxacillin IV

Question 9

What is the treatment for prosthetic valve or suspected MRSA endocarditis?

Answer 9

Vancomycin IV + Gentamicin IV

When therapeutic vancomycin levels reached add Rifampicin PO