Mastering the Factors That Affect the Intensity of S1
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Questions and Answers

Which factor affects the intensity of S1 by increasing the rate of rise of left ventricular pressure?

  • Increased contractility
  • The rate of rise of ventricular pressure (correct)
  • The condition of the valve
  • The distance of the heart from the chest wall

    • What effect does increased contractility have on the intensity of S1?

  • It produces an accentuated or louder S1
  • It has no effect on S1
  • It increases the intensity of S1 (correct)
  • It softens S1

    • What happens to the intensity of S1 when the AV valve stiffens as a result of fibrosis or calcification?

  • It softens S1
  • It decreases the intensity of S1
  • It has no effect on S1
  • It produces an accentuated or louder S1 (correct)

    • Which factor affects the intensity of S1 by the position of the valve at the time of ventricular contraction?

    <p>The arc of coaptation</p> Signup and view all the answers

    What happens to the intensity of S1 as the valve of mitral stenosis becomes increasingly calcified?

    <p>It softens S1</p> Signup and view all the answers

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