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.
Over the past several months, we have received dozens of questions about multidrug-resistant organisms (MDROs). In particular, readers have asked about methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus (VRE) through our Ask the Expert feature on Medscape Nurses.