Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Ultrasound > Nomenclatures and artifacts > Flashcards

Nomenclatures and artifacts Flashcards

1
Q

Images with MORE reflected echoes (brighter) than surrounding tissue

A

Echogenic / Hyperechoic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Images with FEWER reflected echoes (darker) than surrounding tissue

A

Hypoechoic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Images showing a level of reflected echoes similar to that of surrounding tissue

A

Isoechoic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ultrasound Nomenclatures

A

Anechoic
Echogenic
Hypoechoic
Isoechoic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The arrangement of reflected echoes as “dots” on the image is referred to

A

Texture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Organ parenchyma is uniform in echogenicity

A

Homogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Organ parenchyma is NOT uniform in echogenicity

A

Inhomogeneous / Heterogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Structurein an image which does not directly correlate with actual tissue being scanned

A

Ultrasound Artifacts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ultrasound artifacts

A 
Reverberation
Acoustic Shadowing
Acoustic Enhancement
Edge Shadowing
Side lobe artifact
Mirror Image artifact
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Production of spurious (false) echoes due to repeated reflections bet two interfaces w/ high impedance mismatch

A

Reverberation Artifact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A form of reverberation artifact that appear as a dense tapering V-shaped trail of echoes

A

Comet Tail Artifacts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Reverberation echoes similar to comet tail artifacts except that echoes diaplayed in longer stream

A

Ring -down artifacts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

To eliminate reverberation

A

Increase in gel used
Use stand off pad
Reduce the gain
Move position of transducers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

images showing NO internal echoes, black on the images

A

Anechoic / Sonolucent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Area appears as an area of low amplitude echoes behind an area of strongly attenuating tissue

A

Acoustic Shadowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Some interference causing such effects are :

A

Soft Tissue/ gas
Soft tissue / bone , calcium
Normal tissue /fibrous tissue

17
Q

Calcium and bone are usually

A

Echo free

18
Q

Gas are often filled with

A

Reverberations

19
Q

Appears as a localized atea of increased echo amplitude behind an area of low attenuation

A

Acoustic Enhancement

20
Q

Combination of refraction and reflection occuring at the edge of rounded structures

A

Edge shadowing

21
Q

Artifact caused by low energy “side lobe” of the main ultrasound beam

A

Side lobe artifact

22
Q

Result in a mirror image of a structured occurring in an ultrasound display

A

Mirror Image Artifact

Ultrasound (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions