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Radiology-lecture 8
Digital radiology
16
Veterinary Medicine
Undergraduate 2
08/26/2009

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Cards

Term
What are two differences between traditional radiographs and digital?
Definition
Images are electronic, cassettes with film are replaced with detectors (image receptors)
Term
What do you expose instead of film in a digital radiograph?
Definition
A digital plate that converts the image to an electric latent image
Term
Can an old system be converted to a digital system?
Definition
Yes, some old systems can be converted
Term
Where is the digital image transferred to for image processing?
Definition
A computer workstation
Term
In some cases, the processed image is sent to a _____ ______ (2 words) from the computer station to be analyzed
Definition
Diagnostic workstation
Term
In hospitals, the image is probably sent to a ___ for storage.
Definition
Server
Term
What is PACS?
Definition
Picture archiving and communications system
Term
What does a PACS do?
Definition
Capture, store, and display digital information
Term
Images can be printed on ___ ___ (2 words) with a laser printer to be veiwed conventionally
Definition
Tranport film
Term
One advantage of digital radiography is saving money normally spent on ___
Definition
Film
Term
Which method is easier to overexpose or underexpose? (traditional or digital)
Definition
Traditional it has a limited linear response. Digitals have a wider latitude.
Term
____ ____'s ability to be manipulated afer it is made makes overexposure/underexposure correctable
Definition
Digital radiography
Term
Why would exposure time be less wih digital radiographs?
Definition
Number of exposures are lessened because films can be manipulated instead of retaken
Term
___ has little or no effect on contrast in digital x-ray
Definition
kVp
Term
What is the number one advantage of digital over traditional?
Definition
Computer manipulation
Term
Digital images are available for viewing ____ after they are exposed.
Definition
Seconds
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