Sign-in, or Join our Ekg-Advanced plan. Join Restore

Axis Determination ECG Interpretation #322


Part I

  • The direction of the ventricular depolarization (QRS complex) is analyzed.
  • Refer to lead I and aVF each time
  • If the majority of the QRS complex is positively deflected in both views, this is referred to as “normal axis”.
12lead ecg image 3
12lead ecg image 4

Part II

If lead I is positive and aVF is negative, this is ‘left axis deviation”

12lead ecg image 5
12lead ecg image 6

Part III

If lead I is negative and aVF is positive, this is “right axis deviation”.

12lead ecg image 23
12lead ecg image 24

Part IV

If lead I is negative and aVF is negative, this is extreme right axis deviation aka indeterminate.

12lead ecg image 7
12lead ecg image 8



Authors and Sources

Authors and Reviewers


Sources




? onAr:0 | v:0 | onPs:2
pu? False | pv:1
pLen: 0 | nLen 1 | cCode:
| debug: | debugCtr: 0 | localNlen: 1;





This website provides professional medical education. For medical care contact your doctor. 2024 ©MedEdu LLC. All Rights Reserved. Terms & Conditions | About Us | Privacy | Email Us | 1 | n 1

  • mededu company logo
  • facebook like
  • twitter like
  • linkedin like
  • email share
An error has occurred. This application may no longer respond until reloaded. Reload 🗙