(2021) p. 96, (2018) p. 98 McQuillen-Martensen Radiographic Image Analysis - Lordotic Chest Position
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Questions and Answers

What is the primary clinical reason for obtaining a lordotic chest X-ray?

  • Assessment of rib fractures
  • Evaluation of the diaphragm
  • Identification of chest rotation
  • Demonstration of lung apices (correct)
  • How is the patient positioned for a lordotic chest X-ray?

  • Standing with arms raised
  • Sitting upright (correct)
  • Supine position
  • Prone position
  • In a lordotic chest X-ray, what angle is the MCP generally angled posteriorly?

  • 50-60 degrees
  • 5-10 degrees
  • 30-45 degrees
  • 15-20 degrees (correct)
  • What is the purpose of introducing rotation in a lordotic chest X-ray?

    <p>To demonstrate lung apices</p> Signup and view all the answers

    What is the significance of limiting the collimation in a lordotic chest X-ray?

    <p>To demonstrate only the lung apices</p> Signup and view all the answers

    What is the most appropriate SID (Source-to-Image Distance) for a lordotic chest X-ray?

    <p>$180$ cm</p> Signup and view all the answers

    In a PA chest radiograph, where should the upper border of the image receptor be positioned?

    <p>1-2cm below the relaxed shoulders</p> Signup and view all the answers

    What is the suggested breathing state for a patient undergoing a chest X-ray?

    <p>Suspended expiration</p> Signup and view all the answers

    To avoid including too much abdomen in a chest X-ray image, where should the central ray be aligned in relation to the patient's anatomy?

    <p>At C7 spinous process</p> Signup and view all the answers

    How should the shoulders be positioned in a PA chest X-ray to reduce rotation?

    <p>Relaxed down and rotated forward</p> Signup and view all the answers

    What is the recommended distance for the source-to-image receptor distance (SID) in a standard PA chest X-ray?

    <p>180cm</p> Signup and view all the answers

    When positioning for a PA chest X-ray, where should the central ray enter approximately on the patient's back?

    <p>At T7</p> Signup and view all the answers

    Why is it important to ensure the patient is stable during the lateral decubitus chest projection?

    <p>To prevent motion artifacts in the X-ray image</p> Signup and view all the answers

    When performing a lateral decubitus chest projection, why is it necessary for the patient to be in position for a minimum of 10 minutes?

    <p>To allow time for air to accumulate at the lung apex</p> Signup and view all the answers

    In a lateral decubitus chest projection, what is the patient positioning requirement in terms of arm placement?

    <p>Arms raised with horizontal beam inclining towards the anatomy of interest</p> Signup and view all the answers

    What is the primary reason for raising the patient or lowering the image receptor below the chest level in a lateral decubitus chest projection?

    <p>To enhance visualization of the ribs and diaphragm</p> Signup and view all the answers

    During a lateral decubitus chest projection, what should be done to ensure proper patient safety?

    <p>Securely lock the trolley wheels if the patient is on a mobile table</p> Signup and view all the answers

    Why is it important for a patient to be placed in a recumbent lateral position with raised arms during a lateral decubitus chest projection?

    <p>To avoid foreshortening of lung structures on the radiograph</p> Signup and view all the answers

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