Biofilms in endocarditis — Flashcards

Flashcard 1: _____ is a coagulase-negative Staph that has the ability to synthesize extracellular polysaccharide matrix (biofilm).

Answer: Staph epidermidis

Flashcard 2: Some bacteria secrete a _____, allowing the bacteria to stick to a surface

Answer: biofilm (not glycocalyx)

Flashcard 3: Which bacteria is associated with endocarditis, biliary tree infection, and UTI? _____

Answer: Enterococcus faecalis

Flashcard 4: What bacteria is the most common cause of subacute endocarditis? _____

Answer: Viridans streptococci

Flashcard 5: The HACEK organisms (Haemophilus, Aggregatibacter, Cardiobacterium, Eikenella, Kingella) are associated with endocarditis with _____ blood cultures

Answer: negative

Flashcard 6: Staphylococcus epidermidis forms a protective _____ that allows it to colonize prosthetic devices

Answer: biofilm

Flashcard 7: glycocalyx

Answer: mediates adherence to surfaces

Extra: polysaccharide