PACS & Recording Devices Flashcards

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1
Q

Name the pros and cons of film

A

Pros: it had long shelf life and good resolution
Cons: expensive, ease of retrieval, and storage space

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2
Q

What are the steps for developing film?

A
  • development
  • fixing
  • washing
  • drying
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3
Q

Pros/cons of multi-format camera

A

Pros: excellent grayscale and used a shutter and lens to control exposure time and position
Cons: sensitive and expensive, one machine per camera

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4
Q

Pros/cons of laser camera

A

Pros: precise control for good contrast and detail resolution, many machines per one camera, not sensitive to light
Cons: expensive

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5
Q

Pros/cons video thermal printer

A

Pros: instantly available images
Cons: not as good quality, heat sensitive paper

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6
Q

Pros/cons magnetic tape recorder

A

Pros: video instead of stills, audio could be added
Cons: compatibility issues

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7
Q

Pros/Cons magneto-optic disks

A

Pros: larger memory space, rewritable, not susceptible to damage
Cons: compatibility issues

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8
Q

Pros/Cons of PACS

A

Pros: storage, external viewing, image quality, connection to other modalities, time factor
Cons: expensive start up, computer crashing, need special staff, coding issues

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9
Q

Universal standard for compressing images in the PACS

A

DICOM

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10
Q

The amount of time that sound is emitted from the probe

A

DF

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11
Q

The branch of medicine that deals with the incidence, distribution, and possible control of diseases and other factors relating to health

A

Epidemiology

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12
Q

A ratio that determines the amount of focusing in a sound beam

A

BUR

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13
Q

The ratio of acoustical power produced by the transducer to the power required to raise the temperature in tissue 1 degree

A

Thermal index

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14
Q

The effect of sound on tissue

A

Bioeffect

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15
Q

A test made to occur in a lab vessel or other controlled experimental environment rather than within a living organism or natural setting

A

In vitro

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16
Q

The likelihood that energy used will lead to cavitation

A

Mechanical index

17
Q

Resulting in an increase in temperature typically due to absorption

A

Thermal effects

18
Q

A measure of the power of sound per unit area

A

Intensity

19
Q

A measure of the total energy summed over the cross sectional area of the beam per unit of time

A

Power

20
Q

The constant display of acoustical information for the purposes of predicting the possibility of bioeffects

A

Output display standard

21
Q

Results in radiation force and/or cavitation of tissues

A

Mechanical effects

22
Q

A measure of the sound beam in space

A

Spatial intensity

23
Q

A measure of sound in time

A

Temporal intensity

24
Q

The maximum variation of an acoustic variable

A

Amplitude