Modified Kirby-Bauer disc diffusion test method is a reference method that could be used as a routine technique to test the susceptibility of a bacterial isolate in a clinical laboratory. The...
Month: August 2013
Antimicrobial Susceptibility Testing (AST): Guidelines and Best Practices
Antibiotic susceptibility testing should be performed only on clinically significant isolates, not on all microorganisms recovered in culture. Clinical and Laboratory Standards Institute (CLSI)...
Antimicrobial susceptibility testing is most often used for guidance in the therapy of bacterial infections. When the result of antimicrobial susceptibility testing is reported to the clinician,...
Preparation of antibiotic stock solutions Antibiotics may be received as powders or tablets. It is recommended to obtain pure antibiotics from commercial sources, and not use injectable...
Cartridges containing commercially prepared antimicrobial discs for susceptibility testing are generally packaged to ensure appropriate anhydrous conditions. Temperature and moisture are the...
Most species of Haemophilus require both X and V factors for growth. As V factors are released erythrocytes into the medium, it is available for bacteria to utilize. In contrast, hemin is found...