L4 RIS & PACS

Question 1

RIS ?

Answer 1

Radiology information system
Demographic and textual data related to imaging procedures including exam details, attendance lists, appointments and reports.
This system is unique to radiology

Question 2

PACS ?

Answer 2

Picture archiving and communication systems.
Manages healthcare images acquired on the modalities. Images can be stored distributed and viewed.
Not unique to radiology.

Question 3

PACS COMPONENTS

Answer 3

STS - local cache (fast for rapid viewing
LTS - the archive, online or off-line media, older image storing
Viewer application - program for viewing images, can contain more advanced features. Software is installable or web-based.
Hierarchical database - insures data is stored in organised and structured manner

Question 4

PACS ARXHIVES

Answer 4

Vendor Neutral archives
1 - standard historic PACS archive. All data in DICOM format identified by accession number
2 - modern PCS, images images saved and viewed in different formats.
3 - multimedia archive with universal acceptance of multimedia file formats
4 - build on level three with access to several neighbouring sites
5 - stores and digital file. Full interoperability for sharing data across hospitals and regions.

Question 5

integration of RIS AND PACS

Answer 5

Linking, more efficient better access improve quality improve user sat

Question 6

RIS PACS housekeeping

Answer 6

Done by PACS manager
mismatching/failed verification/unspecified reunions
Worklist maintenance
Exams and unreported study lists
Managing disc space and backups
incident Investigation