Week 4 - Digitisation and PACS

Question 1

DR

Answer 1

Digital radiography - uses electronic deetectors to convert radiation that passes through the patient directly to a digital image - image go into the PACS system

• processed in a couple of seconds
• better quality than CR

Question 2

CR

Answer 2

Computer radiography

Question 3

PACS

Answer 3

Picture archiving communication system - electronic method of storing and accessing medical imaging examinations
- immediate access to imaging studies by attending physicians
- can support any specialty using digital imagies
importation of digital studies from other institutions

Question 4

Teleradiology

Answer 4

electronic transfer of radiological images, such as xrays, CTs and MRIs from 1 location to another for the purposes of interpretation and/or consultation

Question 5

Image stitching

Answer 5

long leg films
full spine

Question 6

PACS advantages

Answer 6

Remote access
long term archiving
immediate access to images
improve quality of image interpretation due to access to previous studies
cost

Question 7

PACS disadvantages

Answer 7

• quality of image is monitor dependent
• during transiton phase 2 systems must be used simultaneously
• potential system failure
  widespread traingin required