By Jon-Emile S Kenny
Faculty Peer Reviewed
A 65-year-old female with locally advanced rectal cancer is admitted to the ICU, hypotensive and febrile. Her PICC line is removed and blood cultures drawn. Fourty-eight hours later all cultures return ESBL Klebsiella with susceptibility only to polymyxin.
I sat on the venerable call-room couch staring mindlessly at the cluttered, nauseating walls repeating the word ‘polymyxin’ like an endless antimicrobial mantra. What strange dosing it has, and an even more…











