Term
| any irregularity on an image that is not caused by the proper shadowing of tissue by the primary beam |
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Definition
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Term
| three classifcations of artifacts |
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Definition
storage and handling
exposure
processing |
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Term
| ___ artifacts appear as higher optical density |
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Definition
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Term
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Definition
guide shoe marks
dirty rollers
wet pressure sensitization |
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Term
| occur when guide shoes are sprung or incorrectly positioned |
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Definition
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Term
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Definition
| emulsion pick off, gelatin buildup, or sludge deposits |
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Term
| type of processing artifacts that results from incorrect/inadequate processing |
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Definition
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Term
| a processing artifact that is produced in the development tank caused by dirty rollers |
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Definition
| wet pressure sensitization |
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Term
image fog
pressure marks
light/radiation fog
hyporetention
static
kink marks |
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Definition
| types of handling/storage artifacts |
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Term
| caused by temp or humidity being too high |
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Definition
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Term
| occurs if film is stacked too high |
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Definition
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Term
| white light leaks causing streak like artifacts of increased OD |
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Definition
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Term
| a yellow brown stain that appears after a long storage period due to not all of residual thiosulfate being removed |
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Definition
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Term
caused by a buildup of electrons in the emulsion esp during winter or low humidity
three types |
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Definition
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Term
caused by incorrect or rough handling
appear semi circular in shape |
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Definition
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Term
| artifacts associated with how the radiographer conducts the exam |
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Definition
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Term
| artifacts associated with how the radiographer conducts the exam |
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Definition
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Term
incorrect screen film match
poor screen film contact
warped cassette
incorrect positioning of grid
patient preparation |
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Definition
| types of exposure artifacts |
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Term
| mismatching of film and screens ___ patient dose |
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Definition
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Term
| poor screen film contact can cause a ___ |
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Definition
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