Artifacts Flashcards

1
Q

Unwanted Images in your radiograph

A

Artifacts

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2
Q

What are the three categories of artifacts?

A

Exposure Artifact
Processing Artifact
Storage & Handling Artifact

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3
Q

Due to patient motion & equipment motion, it lessens the detail or sharpness of the radiograph

A

Motion Blur

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4
Q

This type of artifact is due to broken cassette or warped cassette

A

Light Leak Artifact

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5
Q

This type of artifact is due to broken cassette, warped cassette, and air trapping

A

Poor F/S Contact

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6
Q

This type of artifact is caused due to using a single film in two exposure

A

Double Exposure Artifactct

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7
Q

This artifact is caused by improper px instruction

A

Foreign Body Artifact

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8
Q

This artifact is caused by an inverted cassette, the back cover is in contact w/ the Px

A

Cassette upside down

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9
Q

How does grid problems artifact occur?

A

Off-level
off-focus
off-center
Upside Down

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10
Q

Moire or Zebra artifact cause?

A

Two grids in single exposure

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11
Q

This is due to dirty roller marks and improper position of rollers

A

Roller Marks

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12
Q

How does Entrance Roller Mark Artifact happen?

A

Wet-pressure sensitization

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13
Q

Caused by insufficient chemical condition

A

Chemical Fog

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14
Q

Occurs every 3.14 intervals & due to dirty rollers

A

PI Lines

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15
Q

Improperly positioned guide shoe marks

A

Guide Shoe Mark Artifact

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16
Q

Due to inadequate washing & retention of fixer solutions

A

Hyporetention

17
Q

Two films were placed simultaneously during processing

A

Kissing Artifact

18
Q

Reticulation Artifact

A

Due to temperature change (sudden increase & decrease) & due to clustering of crystals

19
Q

Air Bell Artifact

A

Due to over agitation/ mixing & Bubbles

20
Q

Hesitation Artifact

A

Happens due to sudden shutdown of the processor

21
Q

Curtain Artifact/ Ring-down Artifact/ Dichroic Stain

A

The improper squeezing of films. yellow-brownish colors

22
Q

Chatter Artifact

A

Inconsistent movement of rollers (pabalik-balik)

23
Q

It is due to improper hardener or dye

A

Brittle Appearance

24
Q

Due to insufficient washing

A

Greasy Appearance

25
Q

Under replenish fixer

A

Milky Appearance

26
Q

This is due to the bending & creasing of films

A

Kink Artifact

27
Q

What are the three types of static artifact

A

crown
tree
smudge

28
Q

this is caused by low humidity and when two films are rubbed w/ each other

A

Static Artifact

29
Q

Due to rough handling of films

A

Scratches

30
Q

Due to improper handling (greasy hands, wet, powdery, w/ lotion etc)

A

Fingerprint

31
Q

Crescent artifact

A

due to long finger nails