PACS in medical imaging stands for:

C i.e. Picture archiving communication system Picture archiving & communication system (PACS) makes hospitals filmless; as it uses digital imaging modalities like ultrasound, CT, MRI and digital x-ray (rather than traditional x ray films). Electronic patient record (EPR) or Electronic medical record (EMR) accommodate electronic patient case notes, discharge summaries, clinical letters & prescription data. Hospital or clinical information system (HIS/CIS) or patient administration system (PAS) is a computer system holding data such as patient demographics (name, address, family doctor name, hospital number, other personal information), neumerical results from laboratory tests (biochemistry, bacteriology), virology, immunology, haematology), and repos of clinical investigations (endoscopy, bronchoscopy, biopsy) as well as scheduling information eg out patent clinic appointments, hospital admissions, bed state & occupancy and patient discharge information. It is the most impoant system of hospital & major pa of EPR. Remote requesting system (RRS) / Remote order entery and order communications (order comms) is an electronic means of requesting & booking investigations from a remote location eg. wards, OPD etc. Radiological information system (RIS) is responsible for scheduling & booking examinations in various rooms within the imaging depament. It serves as repository of radiological repos once they have been typed. Digital imaging and communication in medicine (DICOM) & Health level 7 (HL7).