When testing Escherichia coli, Klebsiella spp., and Proteus mirabilis, which drug is mostly likely to indicate the presence of an extended-spectrum b-lactamases (ESBL)?
A)Aztreonam
B)Cefpodoxime
C)Ceftriaxone
D)Ceftazidime

Question

Quizplus · Accepted Answer

Strategies for laboratory detection of ESBL-producing E.coli, Klebsiella spp., and P.mirabilis include testing of those drugs that are most likely to indicate the presence of an ESBL (the "indicator" drugs).These include, in decreasing order of sensitivity for detection, cefpodoxime, ceftazidime, cefotaxime, ceftriaxone, aztreonam, and use of special screening zone or minimal inhibitory concentration (MIC) breakpoints to facilitate recognition of ESBL production.

When Testing Escherichia Coli, Klebsiella Spp