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.
that renders them resistant to all cephalosporins including the 3rd generation cephalosporins and cefTAZidime. This enzyme is called an âextended spectrum beta-lactamaseâ (ESBL). Strains possessing these traits are mostly community acquired in our region and can be serious nosocomial pathogens in some hospital units.