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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Diagnostic or Therapeutic |
Types of X-ray equipment |
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Diagnostic ranges |
10 - 1200 millampers (mA) 0.001- 10 seconds 25 - 150 kVp |
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Therapeutic X-ray equipment |
Radiation oncology Capable of X-ray and electron therapy MeV Energies |
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X-ray Tables must be.. |
Easy to clean Free of crevices that could collect contrast media Difficult to scratch |
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flat surface |
What type of X-ray surface is most common? |
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X-ray tables include |
Uniform, radiolucent surface Four-way tabletop motions Bucky tray Variable Heights for patient convenience |
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Tilting tables |
A piece of equipment that is movable and can be angled according to need Includes: footboard shoulder supports hand grips |
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Fixed tables |
Are available in adjustable models that can be lowered while a patient is assisted onto the table and then raised to a working height |
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Footboard |
A piece of equipment used with a tilting table that allows the patient to stand when the table is upright |
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Shoulder supports |
A piece of equipment that keeps a patient from sliding off the table when the table is tilted head down |
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Hand grips |
A piece of equipment that allows the patient to grip when the table is being tilted for added support and reassurance |
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Compression band |
A piece of equipment used to restrain a patient or compress abdominal tissue |
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Types of tube support include |
Overhead (hospital standard)
floor-to-ceiling
floor mounted
mobile C arm (there are numerous configurations) |
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Upright receptor units |
Also called a Bucky May include AEC |
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Upright receptor unit uses |
Chest Upright abdomen AC joints Cervical spine Standing Orthopedics Upright sinuses |
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Specialized diagnostic equipment |
Mammography. Tomography. Dental / panoramic. Computed tomography (CT). Radiation therapy simulators. Urologic. |
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Mammography units |
Specialized radiography equipment for studies and imaging of the breast tissue |
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Tomography units |
Specialized radiographic equipment that allows movement in an arc during exposure |
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Panoramic Dental units |
Specialized radiography equipment for Combined tomography or facial and dental structures |
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Computed tomography (CT) units |
Specialized radiography equipment that allows the taking of sectional images |
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Simulator units |
Specialized radiography equipment that allows verification of radiation therapy prior to actual treatment |
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Urologic units |
Specialized radiographic equipment that allow study of urological and genital structures |
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AEC'S |
Terminate exposure based on predetermined exposure value
Controls only exposure time
Commonly called photo timing Minimum reaction time Backup time |
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Photo timer |
Often used to describe all automatic exposure controls (AEC's). This type of AED is rarely used in modern radiography |
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Automatic Exposure Controls |
AEC's |
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Ionizing chamber |
An automatic exposure control device (AEC) used to terminate the exposure after desired exposure has been reached
Is the most common type of AEC technology |
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Minimum reaction time |
The length of time necessary for the AEC to respond to the radiation and for the generator to terminate the exposure 0.001 seconds Employs SCR switching |
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Ionization Chambers |
Located in front of image receptor. 5 mm parallel plate chamber. Radiolucent at correct kvp's. Typically have three detector positions. Not used with distal extremities. |
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Backup time circuit |
Used to protect patient and equipment. Equipment often allows technologist to set back up Should be set at 150% of anticipated manual technique |
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Maximum exposure per US public law |
600 mAs Exposures >50 kVp |
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Grid, cassette (between) |
The AEC detectors are under the ___, and above the ___ |
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