TY - CHAP M1 - Book, Section TI - Antimicrobial Regimen Selection A1 - Schwinghammer, Terry L. A1 - DiPiro, Joseph T. A1 - Ellingrod, Vicki L. A1 - DiPiro, Cecily V. PY - 2021 T2 - Pharmacotherapy Handbook, 11e AB - A systematic approach to the selection and evaluation of an antimicrobial regimen is shown in Table 35-1. An empiric antimicrobial regimen is begun before the offending organism is identified and sometimes before documentation of the presence of infection, whereas a definitive regimen is instituted when the causative organism is known. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/04/17 UR - accesspharmacy.mhmedical.com/content.aspx?aid=1178897059 ER -