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RT 200 > 8. Specialties in Radiologic Technology > Flashcards

8. Specialties in Radiologic Technology Flashcards

1
Q

Ultrasound-based diagnostic imaging technique used for visualizing subcutaneous body structures including tendons, muscles, joints, vessels and organs for pathology or lesions.

A

Sonography

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2
Q

Ultrasound

A

Sonography

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3
Q

Diagnostic ultrasound range

A

2 to 18 MHz

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4
Q

Produce less resolution but penetrate deeper

A

Low frequency (1-6 MHz)

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5
Q

Produce high resolution but lower penetration

A

High frequency (7-18 MHz)

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6
Q

Diagnostic medical professionals who operate ultrasonic imaging devices to produce diagnostic images, scans, videos, or 3D volumes of anatomy and diagnostic data

A

Sonographers

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7
Q

Provides a live-action view of the interior body

A

Fluoroscopy

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8
Q

Device that electronically brightens and enhances the image and transmits it to the monitor

A

Image-intensifier

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9
Q

Enhances images of the body and has the ability of post-processing

A

Digital Imaging

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10
Q

Two types of Digital Imaging

A
  • Computed Radiography

- Direct Digital Radiography

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11
Q

Produces 2-D and 3-D cross-sectional images of an object from flat x-ray images

A

Computed Tomography

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12
Q
  • Operate CT-Scan machine
  • Explain procedure to the patient
  • Immobilize and observe the patient during procedure
  • Monitor video display of area being scanned and improve image quality
  • Review and evaluate CT-Scan images
  • Use radiation safety measures and protection devices
A

CT-Scan Technologist

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13
Q

Is a medical imaging technique used in radiology to visualize detailed internal structures using nuclear
magnetic resonance property

A

Magnetic Resonance Imaging

-MRI, NMRI, or MRT

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14
Q

Uses a powerful magnetic field to align the magnetization of some atoms in the body, and radiofrequency fields to systematically alter the alignment of magnetization.

A

MRI machine

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15
Q
  • Performs the prescribed examination
  • Explain the procedure and positions the patient
  • Should answer any questions from the patient
  • Monitor the safety of the patient and be prepared to perform emergency procedures
  • Assist the patient
  • Prepare the equipment and proper settings for image acquisition
  • Must follow hospital procedures for recording images with the patient’s record for doctors to evaluate
A

MRI Technologist

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16
Q

Provides information about both structure and function and treat disease with the use of radiopharmaceuticals.

A

Nuclear Medicine

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17
Q
  • Prepare and administer radiopharmaceuticals
  • Perform imaging procedures using radiation-detecting instruments
  • Accomplish computer processing and image enhancement
  • Analyze biologic specimens in the laboratory
  • Provide images, data analysis, and patient information to the physician for diagnostic interpretation
  • Obtain patient history, describe the procedure to the patient and answer any questions
  • Monitors the patient’s physical condition during the procedure
A

Nuclear Medicine Technologist

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18
Q

Uses a radiopharmaceutical agent injected in the circulatory system to image the area of interest for the evaluation of anatomic and physiologic condition of an organ.

A

Positron Emission Tomography (PET)

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19
Q

Is a nuclear medicine tomographic imaging technique using gamma rays.

A

Single-photon emission computed tomography (SPECT)

20
Q

It is very similar to conventional nuclear medicine planar imaging using a gamma camera. However, it
is able to provide true 3D information.

A

Single-photon emission computed tomography (SPECT)

21
Q

This information is typically presented as cross-sectional slices through the patient, but can be freely reformatted or manipulated as required.

A

Single-photon emission computed tomography (SPECT)

22
Q

Is a test like an X-ray that quickly and accurately measures the density of bone.

A

Bone Densitometry

23
Q

It is used primarily to detect osteopenia or osteoporosis, diseases in which the bone’s mineral and density are low and the risk of fractures is increased.

A

Bone Densitometry

24
Q

Medical use of ionizing radiation, generally as part of cancer treatment to control or kill malignant cells.

A

Radiation Therapy

25
Q

Medical specialty concerned with prescribing radiation, and is distinct from radiology, the use of radiation in medical imaging and diagnosis.

A

Radiation Oncology

26
Q

Treatment

A
  • Curative

- Palliative

27
Q

Precise Treatment depends on the following:

A
  • Tumor type
  • Location
  • Stage
  • General health of the patient
28
Q

Radiation therapy technique used to prepare the body to receive bone marrow transplant

A

Total Body Irradiation – TBI

29
Q

Radiation source is place inside or next to the area requiring treatment.

A

Brachytherapy

30
Q

It minimizes exposure to healthy tissue during procedures to treat cancers of the breast, prostrate and other organs.

A

Brachytherapy

31
Q

Radiation source is place at a particular distance from the area to be irradiated.

A

Teletherapy

32
Q

Teletherapy is also known as _________

A

External beam radiotherapy (EBRT)

33
Q

X-rays ranging from 100 kV to 500 kV

A

Orthovoltage

34
Q

X-rays with low voltage and penetration

A

Grenz Rays

35
Q

First American physician to use x-rays to treat cancer in _____

A

Emil Grubbe, 1896

36
Q

Discovered radioactive elements in _______ and what element

A

Marie Curie, 1898 (radium and polonium)

37
Q

Cobalt and cesium units where used

A

Mid-1900s

38
Q

(Year) Linear Accelerators

A

1940s

39
Q

invented CT-Scan in _____

A

Godfrey Hounsfield, 1971

40
Q

IMRT

A

Intensity-modulated radiation therapy

41
Q

IGRT

A

Image-guided radiation therapy tomotherapy

42
Q
  • Assist radiation oncologists
  • Expose specific area of the patients body to radiation
  • Positions the patient for treatment
  • Monitors the patient during the procedure
  • Maintain very strict procedures for safety
  • Records patient’s treatment accurately
  • Should communicate effectively
  • Should be compassionate
A

Radiation Therapist

43
Q

Process of using low-energy x-rays to examine the human breast and is used as diagnostic and a screening tool.

A

Mammography

44
Q
  • Equipment adjustment
  • Patient positioning
  • Providing adequate radiation protection
A

Mammographer

45
Q

Allows for the total management of a patient’s case.

A

Picture Archiving and Communication System (PACS)

46
Q

DICOM used for blending PACS with other imaging modalities

A

PACS

47
Q

DICOM

A

Digital Imaging and Communications

RT 200 (8 decks)

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