Lorinda Stahley’s job as an emergency room nurse in Florida is a far cry from her old military specialty, directing helicopters and keeping meticulous records from her vantage point in the flight tower as an air traffic controller. At least — it used to be. But when she arrived at the AdventHealth Orlando hospital in 2014, she noticed patients were getting stuck in the waiting room because there wasn’t a good system for notifying the medical staff when there was an empty bed.