Depending on skill level, nurses will float to ICU, Cardiac Tele, as well as all Tele units, MedSurg, any & every holding area (this could be in the Cath Lab, ER, observation floor, even a hallway) They staff the observation floor 1st, then the other units. - Weekend Requirement: 4 weekend shifts per 4 week period (days - Sat, Sun, nights - Fri, Sat).