Podcast
Questions and Answers
What is the main advantage of mobile x-ray equipment compared to portable x-ray equipment?
What is the main advantage of mobile x-ray equipment compared to portable x-ray equipment?
Which component is NOT a part of the basic components of mobile radiography equipment?
Which component is NOT a part of the basic components of mobile radiography equipment?
What is a significant disadvantage of portable x-ray equipment?
What is a significant disadvantage of portable x-ray equipment?
Which type of radiography equipment has a wider range of exposure values?
Which type of radiography equipment has a wider range of exposure values?
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What is one key advantage of portable x-ray equipment over mobile x-ray equipment?
What is one key advantage of portable x-ray equipment over mobile x-ray equipment?
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Which setting would NOT typically require the use of mobile radiographic equipment?
Which setting would NOT typically require the use of mobile radiographic equipment?
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What is a common disadvantage of mobile x-ray equipment?
What is a common disadvantage of mobile x-ray equipment?
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Which type of radiography equipment has a lack of precision as one of its disadvantages?
Which type of radiography equipment has a lack of precision as one of its disadvantages?
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What is a distinct difference between mobile and portable radiography based on the information provided?
What is a distinct difference between mobile and portable radiography based on the information provided?
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Which component is NOT typically found in portable radiography equipment?
Which component is NOT typically found in portable radiography equipment?
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Study Notes
Mobile Radiographic Equipment
- Mobile radiography: equipment for radiography and fluoroscopy that can be moved to a specific location
- Exclusions: portable radiography, which is packed and carried to a destination
Portable X-ray Equipment
- Advantages: easy transport, high mobility
- Disadvantages: lack of power, lack of stability, lack of precision
Mobile X-ray Equipment
- Advantages: greater stability, increased power (wider range of exposure values)
- Disadvantages: heavy, more costly
Why Mobile Radiographic Equipment is Needed
- Ward radiography
- Emergency rooms
- Operating theatres
- Out in the field
Basic Components
- Stand with generator
- Control panel
- X-ray tube
- Wheeled base (optional for portable)
Mobile vs Portable
- Mobile: equipment with wheels, can be moved to a specific location
- Portable: equipment that can be packed and carried to a destination
Capacitor Discharge
- Guideline: Department Exposure = 80kVp, 4mAs
- Equivalent exposure using capacitor discharge = 80 + (1/3 x 4mAs) = 81kVp
- Start exposure at 81kVp with an end exposure of 77kVp
Battery Operated Systems
- Uses a bank of batteries built into the system
- Provides power for exposure drive unit
- Advantages: mains independent, consistent and reliable exposure output
- Disadvantages: more expensive, requires recharging of batteries, more careful maintenance
Considerations When Using Mobile
- Movement: Pt/IR/CR alignment, exposure factors
- SID: increased possibility of artefacts (pins, clips, lines)
- Radiation protection
- SID must be between 15% of SID range for exposures to still work
- Outside of 15%, exposure adjustments must be made
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Description
This quiz covers guidelines for using a capacitor discharge in radiography equipment and the advantages of battery-operated systems. Topics include the equivalent exposure using a capacitor discharge and the benefits of mains-independent power sources.
