Introduction to Echocardiography
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Questions and Answers

What is the main purpose of echocardiography?

  • To study the circulation of the heart using ultrasound
  • To study the function and morphology of the heart without being invasive (correct)
  • To study the anatomy of the heart using X-ray
  • To study the morphology of the heart using invasive methods

    • What is the purpose of shaving the patient before echocardiography?

  • To facilitate the transducer movement
  • To remove the ultrasound gel
  • To improve the image quality (correct)
  • To reduce the risk of infection

    • What is the right parasternal long axis view used to evaluate?

  • The mitral and tricuspid valves (correct)
  • The function of the left ventricle
  • The size of the pulmonary artery
  • The morphology of the right ventricle

    • What is the characteristic shape of the left ventricle in the right parasternal transverse view?

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

    What is M-mode used to measure in echocardiography?

    <p>The cardiac structure change with systole and diastole</p> Signup and view all the answers

    What is the characteristic shape of the mitral valve in the right parasternal transverse view?

    <p>Fish mouth</p> Signup and view all the answers

    What is the primary purpose of evaluating the left ventricular free wall and interventricular septum in M-mode?

    <p>To evaluate the contractility of the heart</p> Signup and view all the answers

    What is the normal fractional shortening (FS) for dogs?

    <p>33-46%</p> Signup and view all the answers

    What does an increased EPSS value indicate?

    <p>Decreased ejection fraction</p> Signup and view all the answers

    What is the main purpose of evaluating the left ventricular outflow tract in the 5 chamber view?

    <p>To visualize the blood flow in the ascending aorta</p> Signup and view all the answers

    What is the normal LA:Ao ratio in dogs?

    <p>Less than 1.59</p> Signup and view all the answers

    What does the blue color represent in colour flow doppler?

    <p>Blood flowing away from the transducer</p> Signup and view all the answers

    In spectral doppler, what does the peak above the baseline represent?

    <p>Blood flowing towards the transducer</p> Signup and view all the answers

    What is the primary purpose of the left parasternal apical 4-chamber view?

    <p>To evaluate blood flow through the mitral and tricuspid valves</p> Signup and view all the answers

    What is measured in M-mode of the aorta and left atrium?

    <p>The size of the aorta and left atrium</p> Signup and view all the answers

    What is the purpose of trying to line up the sound beam parallel to the blood flow in spectral doppler?

    <p>To minimize spectral broadening</p> Signup and view all the answers

    What does the 'E' wave represent in spectral doppler?

    <p>Early diastolic flow</p> Signup and view all the answers

    What is the main purpose of using spectral doppler in echocardiography?

    <p>To measure the velocity of blood flow</p> Signup and view all the answers

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