racheleccles1732 racheleccles1732

03-01-2023
Medicine

Answered

an 85-year-old female nursing home patient was treated empirically with a cephalosporin for a urinary tract infection but later failed therapy. the physician then requested a culture and sensitivity on a new urine specimen that grew >100,000 cfu/ml of escherichia coli. after reviewing the kirby-bauer disc susceptibility plate and susceptibility interpretations, what is the resistance mechanism (if any) for this organism?

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