Antibiotic Susceptibility Flashcards
Test for Antibiotic Susceptibility
Kirby Bauer Test
Another name for the Kirby Bauer Test
Disk-Diffusion Method
What is the purpose of Kirby Bauer Testing?
To determine what antibiotics should be used when treating an infection
How is the Kirby Bauer Test performed?
Antibiotic disks are deposited on a media plate that contains bacteria that are ready to grow
What results are measured after completion of a Kirby Bauer test?
Zone of Inhibition
What is the Zone of Inhibition in a Kirby Bauer test?
Area where there is no bacterial growth
What does a size of the Zone of Inhibition indicate in a Kirby Bauer test?
The bigger the zone, the more effective the antibiotic
What bacterial classification is indicated in a Kirby Bauer test when there is no Zone of Inhibition
Resistant (R)
What bacterial classification is indicated in a Kirby Bauer test when there is a very small Zone of Inhibition?
Intermediate (I)
What bacterial classification is indicated in a Kirby Bauer test when there is a Large Zone of Inhibition?
Susceptible (S)
