Infective Endocarditis

Question 1

Which organism is most likely in PWID?

Answer 1

Staph aureus

Question 2

What are the likely symptoms of Staph aureus infection?

Answer 2

Often presents as pneumonia

Question 3

Which valve does Staph aureus most commonly infect?

Answer 3

tricuspid valve (first valve blood passes through after return from venous system)

Question 4

Which antibiotic is used to treat Staph. aureus infection?

Answer 4

IV flucloxacillin (in suspected MRSA vancomycin, gentamicin and/ or rifampicin)

Question 5

Which organism is most likely to be causative in patients who have recently undergone dental treatment?

Answer 5

Strep. viridans (oral commensals)

Question 6

Which antibiotics are used to treat Strep. viridans infection?

Answer 6

IV benzylpenicillin and gentamicin

Question 7

What organisms are likely to be causative in patients who have recently undergone surgery?

Answer 7

enterobacteria (gut commensals)

Question 8

Which antibiotics are used to treat enterobacteria infection?

Answer 8

IV amoxicillin, metronidazole and gentamicin

Question 9

Which bacteria are likely to be causative in patients with prosthetic valves or lines?

Answer 9

Staph. epidermidis

Question 10

Which antibiotics are used to treat Staph. epidermidis?

Answer 10

IV vancomycin and gentamicin with PO rifampicin