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Questions and Answers
What support personnel may be required in imaging departments?
What support personnel may be required in imaging departments?
Administrative assistants, receptionists, medical secretary, transportation service personnel, information systems manager
List 3 patient services provided in the field of medical imaging.
List 3 patient services provided in the field of medical imaging.
Radiography, fluoroscopy, ultrasound scan
What does the term 'medical imaging' refer to?
What does the term 'medical imaging' refer to?
The technique and process used to create images of the human body for clinical purposes or medical science
Name 3 types of imaging modalities used in medical imaging.
Name 3 types of imaging modalities used in medical imaging.
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What is the objective of bone density measurement (DXA) in medical imaging?
What is the objective of bone density measurement (DXA) in medical imaging?
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Study Notes
Nuclear Medicine Studies
- Use emission of nuclear particles from nuclear substances introduced into the body for examination.
Types of Radiation
- Ionizing radiation
- Non-ionizing radiation
Imaging Modalities
- Routine Radiography
- Fluoroscopy
- Mammography
- Angiography
- CT-scan
- Magnetic Resonance Imaging (MRI)
Radiology Careers
- X-Ray Technologist
- Special Procedures Technologist
- CT Technologist
- Radiation Therapist
- Sonographer
- Radiology Nurse
- Nuclear Medicine Technologist
- Radiology Manager
- MRI Technologist
- Systems (PACS) Administrator
- Mammographer
Types of Radiological Procedures
- Transmission imaging
- Reflection imaging
- Emission imaging
Transmission Imaging
- Produces images by transmission
- Uses high-energy photons passed through the body structure being examined
- Different tissues appear differently on the x-ray film:
- Less dense tissues (watery secretions, blood, fat) appear darkened
- Muscle and connective tissues (ligaments, tendons, cartilage) appear gray
- Bones appear white
Reflection Imaging
- Produces images by reflection
- Uses high-frequency sounds sent to the body part or organ being studied
- Sound waves "bounce" off various tissues at varying speeds depending on tissue density
- Computer analyzes sound waves to produce a visual image of the body part or structure
- Ultrasound is an example of reflection imaging
Emission Imaging
- Produces images by detecting tiny nuclear particles or magnetic energy
- Scanner detects particles or energy and analyzes them by computer to produce an image
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Description
Test your knowledge of different imaging modalities used in medical examinations, including nuclear medicine studies and magnetic resonance imaging (MRI). Learn about ionizing and non-ionizing radiation used in routine radiography.
