Medical Definition of configuration. 1  1a: relative arrangement of parts or elementsb: the stable structural makeup of a chemical compound especially with reference to the space relations of the constituent atoms. 2  2: gestalt personality configuration.
Infections with multi-drug resistant E. coli, which is also known as ESBL (extended spectrum beta-lactamase), have been assumed to be a hospital phenomenon.
Infections caused by extended-spectrum -lactamase (ESBL)-producing pathogens, particularly Klebsiella pneumoniae, are increasing. The epidemiology of ESBL-producing K. pneumoniae, the mechanisms of resistance, and treatment strategies for infections caused by these organisms are reviewed.