LEC 3 - Imaging Interpretation Flashcards
What are the four components that need to be on an x-ray to ID it?
Patient
Date
Location
Markers
What are the two things you would want to look at when seeing if an x-ray is good enough to read?
Diagnostic quality (motion, alignment, etc) -- and -- Completeness (missing structures that are out of frame)
What are the four aspects of an x-ray that are going to give you quality?
Exposure
Positioning
Resolution
Artifacts
How do you know if a x-ray is over-exposed?
will look really dark
How do you know if a x-ray is under-exposed?
will look extremely bright
What factors need to be met in order to determine that you have a complete xray?
All the anatomy that you need for the diagnostic image is present
– and –
all views of the structures are taken
What system is used to describe an x-ray?
Roentgen Signs
What are the six components to Roentgen signs?
Size Shape Location Margination Number Opacity
How is margination described?
Lesion description
– and –
Border effacement
What three things can cause opacity to occur?
Density
Thickness
Superimposition