ECG Course Unit 10 – Axis Deviation
This course provides a concise overview of the electrophysiological concepts of cardiac axis. Utilizing the six limb leads of the 12-lead ECG and the hexaxial reference system, normal axis and axis deviation will be determined. Various approaches for determining normal axis and axis deviation are reviewed. Physiological and pathological causes of axis deviation are also addressed.

Course Publication Date: June 08, 2020

This course is available with NO ADDITIONAL FEE if you have an active one year unlimited membership!

Author:Deborah Borelli R.N., CCRN-K, M.S.N.
Course No:ECG10-20
Contact Hours:1.00
Delivery Method:Online Self Study
Category:Medical & Surgical Issues
Learning Objectives
  • Define the QRS electrical axis.

  • Identify factors that influence the location of the axis.

  • Identify the leads of the 12-lead ECG used to determine axis.

  • Outline steps to determine electrical axis using multiple methods.

  • List common causes of axis deviations.


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