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What are the antimicrobial susceptibility tests used for gram positive bacilli? 


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Antimicrobial susceptibility testing (AST) methods used for gram positive bacilli include disk diffusion and minimum inhibitory concentration (MIC) methods . These methods are commonly employed in clinical laboratories to determine the sensitivity and resistance of specific pathogens to a wide range of antimicrobial agents . The disk diffusion method involves placing antibiotic disks on agar plates inoculated with the bacteria and measuring the zone of inhibition to determine susceptibility . The MIC method determines the lowest concentration of an antimicrobial agent that inhibits bacterial growth . These methods are critical in guiding healthcare providers in choosing the appropriate antimicrobial regimen for individual patients and evaluating treatment services provided by healthcare facilities .

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The provided paper is about the in vitro antimicrobial susceptibility profiles of Gram-positive anaerobic cocci (GPAC) isolates. It does not provide information about antimicrobial susceptibility tests for Gram-positive bacilli.
The provided paper is about the accuracy of direct antimicrobial susceptibility testing (AST) of Gram-negative bacteria from positive blood cultures. It does not provide information about antimicrobial susceptibility tests used for gram-positive bacilli.
The provided paper is about the Drug Susceptibility Testing Microfluidic (DSTM) device for gram-negative bacilli. It does not provide information about antimicrobial susceptibility tests for gram-positive bacilli.
The provided paper specifically focuses on the antimicrobial susceptibility testing (AST) of gram negative bacilli. It does not mention the antimicrobial susceptibility tests used for gram positive bacilli.

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What is Antimicrobial susceptibility test?5 answersAntimicrobial susceptibility testing (AST) is a method used in clinical microbiology to determine the effectiveness of antibiotics against bacterial pathogens. It is based on the minimal inhibitory concentration (MIC), which is the lowest concentration of an antibiotic that inhibits the growth of the bacteria. AST plays a crucial role in guiding antimicrobial therapy and identifying new antibiotics. However, there are limitations to this approach, such as metabolic evasion (ME), where bacteria can survive antimicrobials by mechanisms like biofilms, intracellular growth, persisters, or dormancy. To address these limitations, new approaches have been developed, including automated systems like Clinical Antimicrobials Susceptibility Test Ramanometry (CAST-R), which accelerates AST and produces high-quality results. Additionally, novel assays performed in parallel with standard AST assays can provide additional resistance information and enable rapid reporting of results. Prioritizing quality assurance and control for AST is important in reducing the burden of antibiotic-resistant bacterial infections.
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