L1 Basic IT Flashcards
workstations (a.k.a client)
- desktop
- most interactive part of PACS
- robust, little downtime
-PACS vendor provides list of requirements for workstations
work station components
processor - processes inputs & outputs using software programmes/applications, speed is essential
memory - random access memory (RAM) , storage for currently in use items
graphics card - second processor, memory for displaying images
storage - hard drive or solid state drive for data storage
work station components (input devices)
-keyboard
-mouse (navigation)
-paper scanner
-foot pedals (for inputting short cuts)
-digitiser (creates digital image from x-ray film)
-dictation microphone
-mammo shuttle pro mouse(for mammo reporting)
workstation components (output devices)
-printers
-speakers
-monitors (primary output device, high quality, liquid crystal display, good resolution, medical grey scale range, medical image screens measured in megapixels
storage
-external storage (DVD,USB hard drives)
-preserves records, docs and images
pACS for images
Archiving components
- image manager/controller - contains masters database, controls receipt, retrieval and distribution of images while managing all the DICOM processors running within the archive - only image header info is stored (no images) , database is mirrored for backup, interacts w other eSystems(Ris/hospital system)
*image storer/server
STS 3-5s. LTS 1-5 mins
types
* magnetic - discs and tape
*optical - discs, magnetooptical discs, ultra density optical, DVD, bluray
*semiconductor- SSD, flash memory