Hand and Wrist X-ray Projections Quiz
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Questions and Answers

What is the correct positioning for a PA wrist X-ray?

  • Supinate hand and place wrist and carpal area in close contact with the IR
  • Extend fingers and place wrist and carpal area in close contact with the IR
  • Clench fist and place wrist and carpal area in close contact with the IR
  • Pronate hand and place wrist and carpal area in close contact with the IR (correct)

    • Why is it important to avoid leaving the fingers extended during a PA wrist X-ray?

  • To reduce motion artifact
  • To improve visualization of the carpals (correct)
  • To eliminate OID
  • To ensure optimal density and contrast

    • What is the purpose of arching the hand slightly during a PA wrist X-ray?

  • To place the digits, hand, and wrist parallel to the IR
  • To visualize the proximal metacarpals
  • To place the wrist and carpal area in close contact with the IR (correct)
  • To reduce motion artifact

    • What is the main benefit of using a sponge when a patient is unable to hold the position for a PA oblique wrist X-ray?

    <p>To stabilize the arm and prevent motion blur</p> Signup and view all the answers

    What does CR stand for in radiography?

    <p>Central Ray</p> Signup and view all the answers

    In a PA oblique wrist X-ray, what is the correct part position?

    <p>Extend arm, pronate hand, and rotate hand and wrist 45 degrees laterally</p> Signup and view all the answers

    What does OID stand for in radiography?

    <p>Object-to-Image Distance</p> Signup and view all the answers

    Why is it important to include 2-3” of distal radius and ulna in a PA oblique wrist X-ray?

    <p>To avoid missing potential fractures or dislocations</p> Signup and view all the answers

    What is the recommended CR angle for the Tangential Carpal Tunnel (Gaynor-Hart Method)?

    <p>25 to 30 degrees toward the elbow</p> Signup and view all the answers

    In the Lateral Wrist Carpals evaluation criteria, what needs to be well visualized?

    <p>Trapezium and scaphoid</p> Signup and view all the answers

    What position should the hand be in for the Fan Wrist 3 View Wrist Exam – Logical Order PA Scaphoid with Ulnar Deviation?

    <p>Supinated position</p> Signup and view all the answers

    What does CR stand for in radiography?

    <p>Central Ray</p> Signup and view all the answers

    What does the Tangential Carpal Tunnel (Gaynor-Hart Method) aim to visualize?

    <p>The carpal tunnel area</p> Signup and view all the answers

    What is required to be perpendicular to the IR in the Radiographic Anatomy PA Oblique Hand Lateral (lateromedial): Wrist Part Position?

    <p>The ulnar styloid process</p> Signup and view all the answers

    What is used to aid the patient in holding the position for the Tangential Carpal Tunnel (Gaynor-Hart Method)?

    <p>A positioning band or tape</p> Signup and view all the answers

    What should not be foreshortened in the PA Scaphoid with Ulnar Deviation projection?

    <p>Scaphoid</p> Signup and view all the answers

    What part needs to be included in collimation for the Radial Deviation projection of the wrist?

    <p>$2-3$ inches of metacarpals</p> Signup and view all the answers

    What does PA stand for in radiography?

    <p>Posterior Anterior</p> Signup and view all the answers

    What needs to be visualized without superimposition in the Radial Deviation projection?

    <p>Pisiform and hamate bones</p> Signup and view all the answers

    What does X-table Lateral refer to in radiography?

    <p>A lateral view taken with an X-ray table</p> Signup and view all the answers

    What is aimed to be well visualized in the Radiographic Anatomy Fan Wrist 3 View Wrist Exam?

    <p>Carpals and distal radius/ulna</p> Signup and view all the answers

    Study Notes

    PA Wrist X-ray Positioning

    • Correct positioning for a PA wrist X-ray: fingers should not be extended, and the hand should be arched slightly.
    • Importance of avoiding extended fingers: to prevent superimposition of fingers over wrist bones.

    PA Oblique Wrist X-ray

    • Correct part position: wrist should be rotated 45° toward the affected side.
    • Importance of including 2-3” of distal radius and ulna: to provide a full view of the wrist and forearm.
    • Use of a sponge: to aid patients who are unable to hold the position.

    Radiography Abbreviations

    • CR stands for: Center Ray or Central Ray.
    • OID stands for: Object to Image Receptor Distance.
    • PA stands for: Posterior-Anterior or Anterior-Posterior.

    Tangential Carpal Tunnel (Gaynor-Hart Method)

    • Purpose: to visualize the carpal tunnel and its contents.
    • Recommended CR angle: 15-20°.
    • Aid for patient positioning: a sponge can be used to help the patient hold the position.

    Lateral Wrist Carpals Evaluation

    • Important visualization: the lateral wrist carpals should be well visualized without superimposition.

    Fan Wrist 3 View Wrist Exam – Logical Order

    • Hand position for PA Scaphoid with Ulnar Deviation: the hand should be in ulnar deviation.

    Radiographic Anatomy

    • PA Oblique Hand Lateral (lateromedial): the wrist part position should be perpendicular to the IR.
    • Importance of visualization in the Fan Wrist 3 View Wrist Exam: the scaphoid bone and surrounding anatomy should be well visualized.

    X-ray Projections

    • Radial Deviation projection: the radial aspect of the wrist should not be foreshortened, and the radial styloid process should be included in collimation.
    • Visualization in the Radial Deviation projection: the radial aspect of the wrist should be visualized without superimposition.
    • X-table Lateral: a type of radiographic view that refers to a lateral view taken with the X-ray tube above the table.

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    Related Documents

    Wrist Positioning: RADR1311 Accessible Summer 2020

    Description

    Test your knowledge of essential projections, special projections, clinical indications, and general positioning guidelines for hand and wrist X-rays. This quiz covers topics such as PA, PA oblique, lateral, ulnar deviation, fractures, dislocations, osteoporosis, osteoarthritis, osteomyelitis, patient positioning, and central ray positioning.

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