<prompt> PACS in medical imaging stands for:Poal Archiving Common SystemPhoto Archiving Computerized SystemPicture archieving communication systemPlanning archiving communication scheme  <response>: 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 HISCIS 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. 