Critical Care Registered Nurse Acute/Adult (CCRN), Certified Orthopedic Nurse (ONC), Progressive Care Nursing Administrator (PCCN), Board Certified Cardiac / Vascular Nurse, Board Certified Medical-Surgical Registered Nurse, or Certified Medical-Surgical Registered Nurse (CMSRN). As a Registered Nurse RN Float Pool, your voice to influence patient care is valued and empowered at every turn –whether through open, collaborative relationships with your direct manager or more formal opportunities through hospital councils and national nursing initiatives.