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Questions and Answers
What is the standard source-to-image receptor distance (SID) for X-ray imaging in the context of patient positioning?
What is the standard source-to-image receptor distance (SID) for X-ray imaging in the context of patient positioning?
What is the recommended collimation approach for X-ray imaging of an affected digit?
What is the recommended collimation approach for X-ray imaging of an affected digit?
Which type of radiation protection shield is preferred for every patient during X-ray imaging?
Which type of radiation protection shield is preferred for every patient during X-ray imaging?
Where should the marker be placed in X-ray imaging of extremities?
Where should the marker be placed in X-ray imaging of extremities?
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What is the recommended position for ambulatory patients during X-ray imaging?
What is the recommended position for ambulatory patients during X-ray imaging?
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Which of the following is considered a positioning aid used in X-ray imaging?
Which of the following is considered a positioning aid used in X-ray imaging?
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What does ALARA stand for in relation to exposure factors in X-ray imaging?
What does ALARA stand for in relation to exposure factors in X-ray imaging?
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What should be done with patient possessions during X-ray imaging?
What should be done with patient possessions during X-ray imaging?
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What type of breathing instructions are required for patients during X-ray imaging?
What type of breathing instructions are required for patients during X-ray imaging?
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What is the recommended exposure factor range for upper limb imaging?
What is the recommended exposure factor range for upper limb imaging?
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What is the purpose of using short exposure time in pediatric imaging?
What is the purpose of using short exposure time in pediatric imaging?
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What does the CR (central ray) angle need to be unless a specific angle is indicated?
What does the CR (central ray) angle need to be unless a specific angle is indicated?
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What consideration should be made when imaging geriatric patients with osteoporosis?
What consideration should be made when imaging geriatric patients with osteoporosis?
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Which protocol is recommended for trauma and post-reduction imaging?
Which protocol is recommended for trauma and post-reduction imaging?
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What is the main purpose of immobilization devices in pediatric imaging?
What is the main purpose of immobilization devices in pediatric imaging?
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Which positioning principle aims to avoid shape and size distortion in radiographic images?
Which positioning principle aims to avoid shape and size distortion in radiographic images?
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What should be the demeanor of the radiographer when dealing with trauma patients during imaging?
What should be the demeanor of the radiographer when dealing with trauma patients during imaging?
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What adaptation might be considered for geriatric patients due to their limited ability?
What adaptation might be considered for geriatric patients due to their limited ability?
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Study Notes
Patient Positioning in X-ray Imaging
- Standard source-to-image receptor distance (SID) for X-ray imaging: 40-45 inches (100-115 cm)
Collimation and Radiation Protection
- Recommended collimation approach for X-ray imaging of an affected digit: collimate to the affected area to reduce scatter radiation
- Preferred radiation protection shield for every patient during X-ray imaging: lead apron
Markers and Positioning Aids
- Marker placement in X-ray imaging of extremities: at the level of the anatomical area of interest
- Example of a positioning aid used in X-ray imaging: sandbags
Patient Precautions and Instructions
- Recommended position for ambulatory patients during X-ray imaging: standing or sitting upright
- Patient possessions during X-ray imaging: removed and secured outside the exam room
- Breathing instructions for patients during X-ray imaging: hold still and hold breath (if applicable)
- ALARA principle: As Low As Reasonably Achievable (exposure factors)
Pediatric and Geriatric Considerations
- Recommended exposure factor range for upper limb imaging: 50-60 kVp, 2-5 mA
- Purpose of using short exposure time in pediatric imaging: to minimize motion artifact
- Consideration for geriatric patients with osteoporosis: possible need for adapted positioning and immobilization
Immobilization and Image Quality
- Purpose of immobilization devices in pediatric imaging: to minimize motion and prevent movement
- Positioning principle to avoid shape and size distortion in radiographic images: perpendicularity
Trauma and Geriatric Patients
- Recommended protocol for trauma and post-reduction imaging: follow hospital's trauma protocol
- Demeanor of the radiographer when dealing with trauma patients during imaging: calm, reassuring, and empathetic
- Adaptation for geriatric patients due to limited ability: possible need for adapted positioning and assistance
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Description
Test your knowledge of medical imaging positioning considerations, including patient preparation, room setup, and patient positioning instructions.
