Unit 1551: Radiographic Positioning

1. Introduction to Radiographic Positioning

• Importance of Proper Positioning
  • Impact on diagnostic accuracy
  • Effects on image quality
• Principles of Positioning
  • Alignment, centering, and immobilization
• Factors Influencing Image Quality
  • Patient factors (movement, cooperation)
  • Equipment factors
  • Environmental conditions

2. Anatomical Landmarks for Radiographic Positioning

• Definition and Role of Anatomical Landmarks
• Key Landmarks by Body Region
  • Upper Limb (e.g., acromion, olecranon)
  • Lower Limb (e.g., greater trochanter, medial malleolus)
  • Spine and Pelvis (e.g., iliac crest, vertebral prominens)
• Techniques for Identifying Landmarks
  • Palpation methods
  • Use in positioning and centering

3. Positioning Techniques for Upper Limbs

• Shoulder
  • AP, lateral, and axial views
  • Patient positioning and beam centering
• Humerus
  • AP and lateral projections
• Elbow
  • AP, lateral, and oblique positions
• Forearm
  • AP and lateral views
• Wrist
  • PA, lateral, and oblique projections
• Hand
  • PA, lateral, and oblique positions

4. Positioning Techniques for Lower Limbs

• Hip
  • AP pelvis, lateral hip views
• Femur
  • AP and lateral views
• Knee
  • AP, lateral, and special views (e.g., sunrise)
• Tibia/Fibula
  • AP and lateral projections
• Ankle
  • AP, lateral, and mortise views
• Foot
  • AP, lateral, and oblique positions

5. Positioning Techniques for Spine and Pelvis

• Cervical Spine
  • AP, lateral, oblique views
• Thoracic Spine
  • AP and lateral projections
• Lumbar Spine
  • AP, lateral, and oblique views
• Sacrum and Coccyx
  • AP and lateral positioning techniques
• Pelvis
  • AP pelvis and specialized views

6. Special Radiographic Positions

• Trauma Positioning
  • Modifications for injured patients
• Oblique Views
  • Purpose and technique
• Projections for Specific Joints
  • E.g., clavicle, sternum
• Pediatric Positioning
  • Considerations and adaptations

7. Patient Care and Safety in Radiographic Positioning

• Communication with Patients
  • Explaining procedures
  • Gaining cooperation
• Positioning Aids
  • Supports, cushions, immobilization devices
• Radiation Protection
  • Shielding, minimizing exposure
• Infection Control
  • Hygiene protocols and equipment cleaning

8. Image Evaluation and Critique

• Criteria for Image Quality
  • Positioning accuracy
  • Exposure factors
• Recognizing Positioning Errors
  • Common mistakes and their impact
• Image Artifacts
  • Identification and causes
• Strategies for Improvement
  • Corrective techniques

9. Digital Radiography and Positioning

• Introduction to Digital Radiography Technology
  • Differences from conventional radiography
• Impact on Positioning Practices
  • Real-time image review
• Image Acquisition and Manipulation
• Image Storage and Archiving

10. Radiographic Positioning Challenges and Solutions

• Common Challenges
  • Patient limitations (mobility, pain)
  • Anatomical variations
• Troubleshooting Techniques
  • Alternative positioning methods
• Strategies to Overcome Difficulties
  • Collaboration and use of aids