Wide QRS Tachycardias
Presented by: Carol Jacobson
This class presents the most useful ECG and Clinical criteria for making the differential diagnosis of wide QRS tachycardias. Conten includes mechanisms of aberration and when to expect it, common cause of wide QRS tachycardias, best bedside monitoring leads and use of Lewis lead and atrial electrograms for rhythm identification, and the most useful ECG clues for differentiatin wide QRS beats and rhythms. Emphasis is on the value of P waves, QRS morphology clues, fusion beats, QRS axis, and clinical clues to help you make an accurate interpretation of wide QRS beats and tachycardias.
Upon completion of this course, the participant will be able to:
- Explain how refractory periods and cycle lengths contribute to aberrant conduction.
- Discuss how P waves and fusion beats help diagnose the origin of a wide QRS tachycardia.
- State the QRS morphology clues used to differentiate wide QRS tachycardias with right bundle branch block pattern and apply these criteria to rhythm strips and ECGs.
- State the QRS morphology clues used to differentiate wide QRS tachycardias with left bundle branch block pattern and apply these criteria to rhythm strips and ECGs.
- Describe how examination of the patients neck veins and use of a valsalva maneuver or carotid sinus massage can help diagnose a wide QRS tachycardia.
2.5 hours of continuing education (contact hours) will be offered with this program. CNEA is a provider approved by the California Board of Registered Nursing, provider number 15714.
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