Mastering Life-Threatening Arrhythmias
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Questions and Answers

Which of the following best describes the purpose of analyzing elements of an ECG rhythm strip?

  • To use the nursing process as a framework for care of patients with dysrhythmias
  • To identify the ECG criteria, causes, and management of dysrhythmias
  • To determine the ventricular and atrial rate
  • To correlate the normal components of ECG with physiologic events of the heart (correct)

    • Which of the following is true about dysrhythmias?

  • They may cause irregular or erratic heart rhythm (correct)
  • They are not related to conduction disturbances
  • They are always considered life-threatening
  • They can improve the efficiency of the heart as a pump

    • Which of the following is not a component analyzed in an ECG rhythm strip?

  • QRS complex and shape
  • P wave and shape
  • Blood pressure (correct)
  • Ventricular and atrial rhythm

    • What can happen if the heart does not have a regular rate and rhythm?

    <p>The heart will not perform efficiently as a pump</p> Signup and view all the answers

    What is the potential danger of having an irregular or erratic heart rhythm?

    <p>It can be a dangerous condition</p> Signup and view all the answers

    Which of the following best describes respiratory failure?

    <p>A sudden and life-threatening deterioration of lung function</p> Signup and view all the answers

    What is the main characteristic of acute respiratory failure?

    <p>Severe respiratory impairment</p> Signup and view all the answers

    What is the threshold for hypoxemia in respiratory failure?

    <p>Less than 60 mm Hg</p> Signup and view all the answers

    What is the threshold for hypercapnia in respiratory failure?

    <p>Greater than 50 mm Hg</p> Signup and view all the answers

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