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Data Organization in ECG Analysis: Separate Leads or Individual Signals

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Dear Matlab Community,
I am currently in the process of planning data organization for an ECG analysis using the PTB-XL dataset, and I would like to seek your advice and expertise on a specific question.
When it comes to data organization, is it recommended to use each lead separately (12 leads --> 12 columns)? Or would it be preferable to adopt an approach where each row represents a distinct ECG signal?
I would greatly appreciate insights and recommendations from those who have experience in this area.
Thank you very much for your valuable contribution.
Best regards,

Accepted Answer

Star Strider
Star Strider on 25 May 2024 at 13:36
I am not certain what you want to do, or what question you are asking. In general, EKG data are analysed column-wise, with a time vector (generally beginning at zero with regular sampling intervals and a sampling frequency at least 256 Hz and 1 kHz if possible) for the first column, and each lead being successive columns, ordered characteristically as . This also is the way MATLAB data matrices in general are organised.
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