Therapeutic Drug Monitoring and Continuous Infusion of Beta-lactam Antibiotics in Patients With Bacteraemia

Inclusion Criteria: * Have a positive blood culture. * Undergo treatment with either intravenous penicillin, ampicillin, piperacillin/tazobactam, dicloxacillin, cefuroxime or meropenem. * Hospitalised at Hvidovre University Hospital. * Age ≥ 18. * Able to understand and give informed consent. * Included in the study within 24 hours after the final positive blood culture answer. Exclusion Criteria: * Positive blood culture is interpreted as contamination. * The patient dies before the intervention.