Character mistake: Sam told Tyler, "I work 36-hour shifts, so no time for friends or relationships." There might not be Federal regulations restricting the number of hours a nurse may work in a given 24-hour (or 7-day) period, but nurses have to maintain standards of duty/care and working too many consecutive hours would jeopardize her patients. It is recommended that nurses do not work more than 12.5 hours a day or more than three consecutive DAYS of 12-hour shifts. This gives 4 days OFF for relationships. (00:26:50)
Continuity mistake: The laceration near Ryan's right eye extends into his cheekbone but it is much shorter and looks closer to his eye several minutes later. (00:08:30 - 00:13:55)