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In the acute care setting, the challenge of assessing the heart's electrical activity lies in differentiating a significant change or changes from the many clinical benign changes that may be seen in the rhythm or morphology of the wave form. One such differentiation, Ventricular Ectopy vs. Aberrancy, is the subject of this course.

  • Agenda

  • Read the Overview and Course Objectives.
  • Study the Terminology.
  • Read the course material.
  • Complete the Learning Activity.
  • Complete the Post Test with a score of 80% or more.

    The material is organized around the following categories:

  • Phases of the Action Potential of Cardiac Ventricular Cells
  • The Difference Between Normal Impulse Conduction and Ventricular Ectopic Impulse Conduction
  • The Differences Between Right Bundle Branch Block and Left Ventricular Ectopy
  • The Factors Favoring Aberrant Ventricular Conduction
  • The Differences Between Aberration, and Ectopy and Tachyarrhythmias
  • The Causes and Management of Polymorphous Ventricular Tachycardia
  • Conclusion

    The purpose of this program is to provide nurses an understanding of ventricular ectopy vs. aberrancy in performing cardiac monitoring for acute care, and steps for appropriate management.

    After completing this course, the learner should be able to:

  • Discuss the phases of the action potential of cardiac ventricular cells.
  • Explain the difference between normal cardiac impulse conduction and ventricular ectopy impulse conduction.
  • Differentiate between right bundle branch block aberration and left ventricular ectopy, and between left bundle branch block and right ventricular conduction.
  • Identify factors favoring aberrant ventricular conduction.
  • Distinguish between aberration and ectopy in tachyarrhytmias with wide QRS complexes.
  • Recognize polymorphous ventricular tachycardia, its causes, and appropriate management.

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