Theo Mandel guided the interface design and usability of the next generation of their PC touch-screen and pen-based EMS field data collection and management software, RescueNet TabletPCR. The software is used by EMS and Fire/Rescue ambulance teams in the field to document patient information, history, vital signs, medical and trauma assessments, interventions, and treatment during the entire patient care process up to delivering the patient to a hospital Emergency Room.