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EKG QRS Detection Algorithm
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| Organization: | University of Illinois at Urbana-Champaign |
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0209-685
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1998-09-15
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The package `QRSdetection.m` contains all the functions necessary for non-real time implementation of the QRS complex detection algorithm for an EKG signal sampled with 200Hz sampling frequency. This includes the following: lowpass (cutoff frequency ~11Hz) and highpass (cutoff frequency ~5Hz) digital IIR integer filters; digital differentiator; squaring function; digital moving window integrator (the window width is 30 samples, which corresponds to 150 msec); the complete detection function.
A demonstration notebook `QRSdetectiondemo.nb` is provided, where all functions of the package were applied to a sample EKG.
The data file `EKGdata_01.txt` with the sample EKG is provided.
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EKG, ECG, QRS complex, detection, algorithm
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| EKGdata_01.txt (408 B) - Text file | | QRSdetection.m (7.2 KB) - Mathematica Package | | QRSdetectiondemo.nb (757.3 KB) - Mathematica Notebook |
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