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CoNS
Question | Answer |
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When CoNS is inoculated onto mannitol salt agar, what reaction and color change occurs? | CoNS ferments glucose ONLY (not mannitol) and thus the colonies are turned pink. |
When is CoNS speciated in the lab? | When it is recovered from sterile body fluids or from UTI isolates. |
How can you differentiate a CoNS from a Strep species? | By performing a catalase test |
How can you differentiate a CoNS from S. aureus? What would this result look like? | As the name implies, a coagulase test. It will not form a clot in a coagulase tube. |
What is the main pathogen of concern in the CoNS category? What kinds of infections can it cause? | Staph epidermidis - Sub-acute bacterial endocarditis, UTIs, prosthesis infections, osteomyelitis |