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EKG Leads

Duration: 26:12

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Apr 08 2021, 6:32 pm

In regards to the question "which artery would be responsible for an inferior damage to the heart" you mentioned right circumflex artery but I believe it is Right Coronary Artery. 

I could be incorrect, I'm still learning but I wanted to clarify in case it was just a slip of the tongue.

Thank you for your videos!



Feb 10 2021, 6:58 pm

I believe you have II and III reversed in the figure? Lead II is supposed to view the heart from the PT's left side, looking up through the apex of the heart, but you referred to that lead location as III. 

Also, AVR is the exact opposite side of the heart from lead II (the apex), not of AVL. AVR sits on the right shoulder and looks down from the atrium to the apex, AVL sits on the left shoulder and looks pretty much perpendicular to the axis of the heart from the left lateral surface. 

This video presents the 12 ECG leads and Einthoven's triangle. Leads presented are: 3 Bipolar Limb Leads 3 Unipolar Augmented Leads 6 Chest Leads Earth lead

Learning objectives of this video are the following : 

1. Understanding the 12 ECG leads and Einthoven's triangle. 

2. Where are these leads attached and what do they represent? 

Note : Leads presented are : 

  • 3 bipolar limb leads
  • 3 unipolar augmented leads
  • 6 chest leads 
  • Earth lead 

Presented by Dr. Mobeen Syed

Following answers are created by ChatGPT. Occasionally the answer may be harmful, incorrect, false, misleading, incomplete, or limited in knowledge of world. Please contact your doctor for all healthcare decisions. Also, double check the answer provided by the AI below.


In addition to the presenter, following authors may have helped with the content writing, review, or approval:

  • Dr. Mobeen Syed

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The DrBeen Corp designates this enduring material for a maximum of 0.5 AMA PRA Category 1 Credits™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

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Dr. Mobeen Syed Author declares no conflict of interest.

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Dr. Mobeen Syed

Dr. Mobeen Syed

MD., MSc., MSc., BSc

Mobeen Syed is the CEO of DrBeen Corp, a modern online medical education marketplace. Mobeen is a medical doctor and a software engineer. He graduated from the prestigious King Edward Medical University Lahore. He has been teaching medicine since 1994. Mobeen is also a software engineer and engineering leader. In this role, Mobeen has run teams consisting of hundreds of engineers and millions of dollars of budgets. Mobeen loves music, teaching, and doing business. He lives in Cupertino CA.

Cardiovascular System

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