Purpose Bloodstream infections (BSI) require rapid and targeted antimicrobial therapy to improve clinical outcomes and reduce mortality. Conventional antimicrobial susceptibility testing (AST) requires 24–48 h to provide phenotypic susceptibility results and Minimum Inhibitory Concentration (MIC) values. In this study, we evaluated two rapid phenotypic AST systems, VITEK® REVEAL™ (bioMérieux, France) and QuickMIC® (Gradientech...