NBME 22 Enterococcus faecalis (NBME Answers)

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Retired NBME 22 Answers

nbme22/Block 3/Question#27 (reveal difficulty score)
A 45-year-old man with poorly controlled type ...
Enterococcus faecalis 🔍 / 📺 / 🌳 / 📖
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submitted by presidentdrmonstermd(7)

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Question said "Nonhemolytic, Catalase -ve, Gram +ve cocci"

Enterococcus fits description

Listeria: ROD

Staph. aureus: Cat +ve

Staph. epidermidis: Cat +ve

Strep. pneumo: alpha/partial hemolysis

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+0 upvote downvote
submitted by ∗meryen13(48)

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E. faecalis has different type of hemolysis in fact it could look alpha too just like strep pneumonia but what makes a difference is that E. faecalis is one of the most common causes of catheter infections in dialysis patients. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2614136/

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