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Augmented Leads

We are studying the 12 lead ECG. So far, using the 10 leads that we have attached, we only have 9 views of the heart to look at (3 limb leads and 6 chest leads).

 

(Remember that the black lead on the right leg does not give any readings)

 

The other three views come from what are called the 'augmented leads'. These look at electrical activity of the heart in the direction from Wilson's central terminal (negative end), to each of the three limb leads respectively (red, yellow and green). 

 

These augmented leads are named according to which limb lead they look towards e.g. aVleft (aVL), aVright (aVR) and aVfoot (aVF)

 

Use this outline if you have no prior knowlege of ECGs, how they work or how to set them up. This map will take you through the basic physics and anatomy, set up of the ECG and will touch on interpretation. There is a test at the end to examine your understanding.

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Use this outline if you have some prior knowlege of how an ECG works, its set up and a good understanding of the anatomy of the heart's conducting system. This will focus on interpreting the readings on different leads of the ECG.

 

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Use this map if you already have a thourough understanding of heart anatomy, different arrythmias and their appearance on ECGs. This map focuses on testing your existing knowledge of interpreting ECGs.

 

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