Abstract: Described herein are systems, methods, and devices for antimicrobial susceptibility testing (AST) directly from blood samples. A system for enriching samples includes a housing configured to receive sample containers, sample preparation cartridges, and AST cartridges, for processing and testing samples using one or more centrifuges, pipetting systems, a controller, AST subsystem, magnet station, microscope, and heater disposed inside the housing. The system is configured to transfer a sample from a blood sample container into a processing tube in a sample preparation cartridge using a septum and needle-based pipetting system. Upon transfer of the sample, the system performs steps to separate, enrich, and concentrate pathogens in the sample for rapid detection.

Abstract: A sepsis detection system includes a first subsystem configured to detect a presence of an infection in a patient, a second subsystem configured to detect a presence of a dysregulated host response in the patient, a third subsystem configured to detect organ dysfunction in the patient, a fourth subsystem configured to detect antimicrobial resistance (AMR) of a pathogen in the patient, and a processing device. The first, second, third, and fourth subsystems and the processing device are communicatively coupled together via a network. The processing device is configured to determine a presence of sepsis in the patient based on the presence of the infection, the presence of the dysregulated host response, and clinical data indicative of the organ dysfunction in the patient. The subsystems utilize at least one of polymerase chain reaction (PCR) processing. Raman spectroscopy, clinical data, electronic health record (EHR) data, and antimicrobial susceptibility testing (AST).