Introduction: The Big Picture

HIS: Hospital Information System.

                      integrated computer system
                      manage administration, clinical and financial aspects
                      varieties of subsystems in medical specialties, such as
                         PACS, RIS

PACS: Picture Archiving Communication System

                     Emerged in the 1980s (Biohealthmatics.com)

                     First modality to utilise PACS is ultrasound

3 Main Functions of PACS

                     Acquire Images from Modalities
                     Display Images on Computer

                     Archive Images for Later Comparison or
                        Distribution

RIS: Radiology Information System

                     First used in the 1970s (bihealthmatics.com)
                     computerized database
                     Store patient radiological data and imagery
                     result reporting and image tracking capabilities