How to perform an ultrasound
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Questions and Answers

What is the recommended position for rectal examination in large species?

  • Sitting position
  • Kneeling position
  • Standing position (correct)
  • Lying position

    • What should be considered when using equine stocks for rectal examination?

  • The height of the rear door (correct)
  • The color of the stocks
  • The width of the stocks
  • The material of the stocks

    • What is the purpose of analgesia, sedation, or anesthesia during examination of small animals?

  • To enhance the animal's comfort (correct)
  • To reduce the risk of injury
  • To improve the quality of the examination
  • To speed up the examination process

    • What should be done to ensure the best imaging results on the screen?

    <p>Reduce ambient lighting</p> Signup and view all the answers

    What is the purpose of clipping hair before ultrasound imaging?

    <p>To enhance the sound penetration into the tissue</p> Signup and view all the answers

    Why is it important to remove dirt and skin oil using alcohol before ultrasound imaging?

    <p>To create a better image contrast</p> Signup and view all the answers

    What is the purpose of ensuring close contact between the transducer and the skin during ultrasound imaging?

    <p>To prevent air gaps or bubbles</p> Signup and view all the answers

    What type of transducer is recommended for creating a full cross-sectional image?

    <p>Linear transducer</p> Signup and view all the answers

    Which type of transducer creates a rectangular cross-sectional image?

    <p>Curved transducers</p> Signup and view all the answers

    What is the purpose of using a gel standoff in ultrasound imaging?

    <p>To reduce near field noise in superficial structures</p> Signup and view all the answers

    Which frequency should be chosen for imaging the eye?

    <p>10 MHz</p> Signup and view all the answers

    How is the leading edge of the ultrasound beam marked on the transducer?

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

    In which direction is the leading edge of the ultrasound beam conventionally directed in longitudinal or dorsal imaging?

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

    What is an important principle to remember when learning 3D anatomy displayed on a 2D ultrasound image?

    <p>All of the above</p> Signup and view all the answers

    What is the recommended approach for undertaking a systematic ultrasound examination?

    <p>All of the above</p> Signup and view all the answers

    What should be done with ultrasound images for subsequent review and clinical records?

    <p>Store them appropriately</p> Signup and view all the answers

    What is a common artifact in ultrasound imaging?

    <p>Near field noise</p> Signup and view all the answers

    Which type of transducer is commonly used for imaging equine tendons?

    <p>Transducers with different standoffs built in</p> Signup and view all the answers

    Multiple lines of sound emitted from the transducer create a rectangular cross-sectional image.

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

    Curved transducers fire multiple lines of sound that diverge from each other to create a triangular 'beam'.

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

    Near field noise can be helpful when examining superficial structures.

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

    A gel standoff can be created using a blob of ultrasound gel.

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

    The frequency chosen for ultrasound imaging determines both the longitudinal resolution and depth of penetration.

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

    True or false: Ultrasound imaging should be performed in a darkened room to achieve the best contrast and information?

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

    True or false: It is important to remove dirt and skin oil using alcohol before applying ultrasound gel?

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

    True or false: Linear transducers create a rectangular 'beam' and require full contact along the surface to get a full cross-sectional image?

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

    True or false: Small animals should be considered for analgesia, sedation, or anesthesia during examination to enable the procedure to go ahead?

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

    True or false: Clipping hair is necessary before ultrasound imaging to ensure proper sound penetration into the tissue?

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

    What are some specific considerations when using equine stocks for rectal examination?

    <p>Consider the height of the rear door</p> Signup and view all the answers

    What is the purpose of analgesia, sedation, or anesthesia during examination of small animals?

    <p>To enable the examination to go ahead</p> Signup and view all the answers

    What should be done to ensure contact between the transducer and the skin during ultrasound imaging?

    <p>Close contact, ideally with no air gaps or bubbles</p> Signup and view all the answers

    What is the recommended position for examining large species in recumbency?

    <p>On a table</p> Signup and view all the answers

    What type of transducer is recommended for creating a full cross-sectional image?

    <p>Linear transducer</p> Signup and view all the answers

    What is the purpose of using a gel standoff in ultrasound imaging?

    <p>To reduce near field noise and create a larger cross-sectional image.</p> Signup and view all the answers

    What is the recommended approach for learning hand-eye coordination in ultrasound imaging?

    <p>Repeated practice and consistency in animal position, operator position, transducer handling, and imaging technique.</p> Signup and view all the answers

    What are the two principles that govern the longitudinal resolution and depth of penetration in ultrasound imaging?

    <p>Frequency and transducer orientation.</p> Signup and view all the answers

    What is the convention for displaying the leading edge of the ultrasound beam on the screen?

    <p>Cranial or to the right, depending on the imaging plane.</p> Signup and view all the answers

    Why is it important to undertake a systematic ultrasound exam and use standard imaging views?

    <p>To ensure thorough examination and accurate interpretation of the ultrasound findings.</p> Signup and view all the answers

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