ICURN, #IntensiveCareNurse, #CriticalCareRN, #ICUNurse, #RNICU, #ICU, #RN, #registerednurse, #PatientCare, #CriticalCare, #ICULife. Travel Registered Nurse (RN) ICU. Responsibilities of Registered Nurse (RN) ICU. Requirements for Registered Nurse (RN) ICU. ...