Biomedical Informatics 4th Edition by Edward Shortliffe, James Cimino

Exercise 5

A number of patient-care information sys-tems designed in the 1970s are still in use.How do the practice models, payer models,and quality focus of today differ from thoseof the past? What differences do thesechanges require in information systems?What are two advantages and two disad-vantages of "retrofitting" these changes onolder systems versus designing new sys-tems "from scratch"?