Large animal radiography images
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Questions and Answers

Which of the following is a practical consideration for large animal radiography?

  • Most are done with unconscious animals
  • More people are needed in the controlled area during the procedure (correct)
  • Only one person is required to operate the machine
  • Horizontal beams have lower exposures than in small animals

    • What is the height of the X-ray beam during large animal radiography?

  • At the level of the animal's head
  • At the level of the animal's feet
  • At the level of the animal handler's waist
  • At the level of the animal handler's head (correct)

    • What is the purpose of using protective clothing and plate holders in large animal radiography?

  • To ensure accurate positioning of the animal
  • To prevent the animal from moving during the procedure
  • To protect the animal handler from radiation exposure (correct)
  • To reduce the scatter of X-rays

    • What is the inverse square law in relation to X-ray beams?

    <p>The strength of the X-ray beam decreases proportionally to the square of the distance from the source</p> Signup and view all the answers

    What is one of the practical difficulties in making radiographic procedures safe?

    <p>Using incorrect machine settings</p> Signup and view all the answers

    What is the recommended position for the large animal during radiography?

    <p>Fully weight bearing</p> Signup and view all the answers

    What is the correct way to label radiographic images?

    <p>Patient information and client's surname + date</p> Signup and view all the answers

    What is the purpose of correct collimation of the image in radiography?

    <p>To reduce the scatter of X-rays</p> Signup and view all the answers

    What is the purpose of using plate holders in large animal radiography?

    <p>To protect the animal handler from radiation exposure</p> Signup and view all the answers

    What is the recommended distance from the source of radiation during large animal radiography?

    <p>Double the distance from the source</p> Signup and view all the answers

    Which aspect of the animal's body is typically on the left side of the radiographic image?

    <p>Cranial aspect</p> Signup and view all the answers

    Which view is described as having the X-ray machine on the lateral aspect and the plate on the medial aspect?

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

    Which view goes from the lateral aspect to the plate on the medial aspect?

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

    Which view is used to image the areas above the carpus and tarsus?

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

    Which standard view is used to image the areas below the carpus and tarsus?

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

    Which oblique view is denoted by the yellow arrow in the image?

    <p>Dorsolateral palmaromedial oblique</p> Signup and view all the answers

    Which oblique view is denoted by the red arrow in the image?

    <p>Dorsomedial palmarolateral oblique</p> Signup and view all the answers

    Which areas are the most important and clear in the dorsolateral palmaromedial oblique view?

    <p>Dorsolateral structures and palmaromedial aspects</p> Signup and view all the answers

    Why are structures not under the primary beam seen in greater detail in some views?

    <p>Due to lack of imposition</p> Signup and view all the answers

    What are the two standard views used in radiography?

    <p>Lateromedial and DP/CrCa</p> Signup and view all the answers

    What are the two additional oblique views used for most joints?

    <p>Dorsolateral palmaro/plantaromedial oblique and Dorsomedial palmaro/plantarolateral oblique</p> Signup and view all the answers

    Which areas are pushed out to the sides in the dorsolateral palmaromedial oblique view?

    <p>Dorsomedial structures and palmarolateral aspects</p> Signup and view all the answers

    Which areas of the image provide the best detail in dorsopalmar views?

    <p>Lateral and medial aspects</p> Signup and view all the answers

    Why are structures not under the primary beam seen in greater detail in some views?

    <p>Due to lack of imposition</p> Signup and view all the answers

    What are some practicalities to consider for large animal radiography?

    <p>Machine operator, plate holder and animal handler often required; often done at client premises; use of horizontal beam and large patients requires careful attention to safety, planning and good technique; more people in controlled area during procedure; need to think about where the beam is going before and after leaving the probe; higher exposures than used in small animals - travel further, more scatter; need well sedated and restrained animal; height of beam is at mid level of the handlers; must use protective clothing and plate holders where possible</p> Signup and view all the answers

    What are the risks associated with horizontal beams in large animal radiography?

    <p>Higher exposures than used in small animals - travel further, more scatter</p> Signup and view all the answers

    What is the inverse square law in relation to X-ray beams?

    <p>Strength of X-ray beam is inversely proportional to square of distance from source</p> Signup and view all the answers

    What are some practical difficulties in making radiographic procedures safe?

    <p>Follow the basic principles of good radiographic technique; machine settings correct; patient correctly positioned; correct labelling; correct focal distance; correct centring of beam; correct collimation of image</p> Signup and view all the answers

    What is the purpose of using plate holders in large animal radiography?

    <p>To hold the largest plate as far from you as possible for stifle; not possible for stifle</p> Signup and view all the answers

    True or false: Large animal radiography is usually done with the animal under general anesthesia.

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

    True or false: When using a horizontal beam in large animal radiography, the height of the beam should be at the level of the animal handlers.

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

    True or false: The strength of the X-ray beam in large animal radiography is directly proportional to the distance from the source.

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

    True or false: Plate holders are not necessary when imaging the stifle in large animal radiography.

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

    True or false: The inverse square law states that doubling the distance from the source of radiation will double the dose.

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

    True or false: The cranial aspect of the animal's head is always on the right side of the radiographic image.

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

    True or false: The dorsolateral palmaromedial oblique view is used to image structures on the dorsomedial aspect and palmarolateral aspect.

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

    True or false: The lateral and medial aspects of the image provide the best detail in dorsopalmar views.

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

    True or false: The DP/CrCa view is used to image areas from palmar to dorsal in the forelimb and plantar to dorsal in the hind limb.

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

    True or false: Oblique views are used to reduce super imposition and provide better visualization of structures.

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

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