FIELD: medicine.
SUBSTANCE: continuous electrocardiosignal is recorded, filtered and presented as discrete records. In all derivations, the discrete records are summed over modulus. A threshold level is formed to be compared to a value of the sum over modulus of the discrete records of electrocardiosignal. A cardicycle, QRS-complex electrocardiosignal and R-R interval are extracted. In the extracted cardiocycle, values of derivatives Y' of the discrete records of electrocardiosignal are calculated. It is followed with extracting an interval of the values of an electrocardiosignal derivative belonging to the QRS-complex electrocardiosignal with the beginning and termination of the extracted interval of the values of the electrocardiosignal derivative are the beginning and termination of the QRS-complex electrocardiosignal.
EFFECT: more precise extraction of the beginning and termination of the QRS-complex.
3 cl, 11 dwg
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