12 lead ECG and ambulatory(3 lead) ECG

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FSK 2020-10-8

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https://ww2.mathworks.cn/matlabcentral/answers/608391-12-lead-ecg-and-ambulatory-3-lead-ecg

评论： Star Strider 2020-10-12

I have trained a convolutional nerual network using ambulatory ECG (3 lead) readings after filtering. Now I want to augment the data set with publicly available ECG data. I have phsyionet dataset from the follwoing:

https://physionet.org/content/macecgdb/1.0.0/

Now when I retrieve the signals it gives a 4000*4 matrix containing ECG data. I am not sure which lead in 12 lead ECG would be closer to ambulatory ECG? Out of these 4 coloums, which one should I use to train my model so that it is comparable to 3-lead ECG.

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Star Strider 2020-10-8

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I have not looked at the data, however I doubt that a 4-column matrix could be a 12-lead EKG. It most likely represents a vector of sampling times and the offset data.