Intelligent terminal for achieving multi-channel electrocardiogram QRS automatic planning

Abstract

The invention discloses an intelligent terminal for achieving multi-channel electrocardiogram QRS automatic planning. The intelligent terminal comprises a processor and a Bluetooth communication module connected with the processor. The processor comprises a signal receiving module, a wavelet transformation module, a differential transformation module, a kurtosis and weight calculation module, a signal superposition and filter module and an R peak detection module. The intelligent terminal solves the problem of R peak detection errors caused by desynchronization of certain channel signal planning through multi-channel electrocardiosignal fitting; meanwhile, the kurtosis value of signals is taken as reference in the signal fitting process, and the problem that the quality of an integral comprehensive energy curve is decreased due to the fact that the quality of signal waves of a certain channel is too poor is solved. Thus, the electrocardio R peak detected by the intelligent terminal is stable and accurate in effect, and especially the position of the R peak can be accurately detected even when the quality of the signals of part of channels in the electrocardio signals does not meet the standard.

Description

technical field [0001] The invention belongs to the technical field of electrocardiogram detection, and in particular relates to an intelligent terminal for realizing the automatic demarcation of multi-channel electrocardiogram QRS. Background technique [0002] Electrocardiogram (ECG) is an electrical signal synthesized by the action potentials generated by each part of the cardiomyocytes during the regular contraction and relaxation of the heart. waveform. The ECG usually consists of a series of identical waves, mainly including the following: [0003] P wave: represents the potential change of the left and right atrial depolarization process, which lasts 0.08-0111s, and the amplitude does not exceed 0.25mv. [0004] QRS complex: represents the potential change of the left and right ventricular depolarization process, which lasts 0.06-0.10s; a typical QRS complex contains three closely connected waves, the first downward wave is the Q wave, and the subsequent upward wave...

AI Technical Summary

Problems solved by technology

[0010] The algorithm proposed by Pan above is suitable for single-channel ECG, but multi-channel ECG often has two problems: (1) the signal quality of each channel is different; (2) the delineation of each channel is not synchronized

If a random channel is used as the basis for ECG delineation, the result may be inaccurate

Although Brekelmans synthesizes the signals of each channel to judge, it only simply superimposes the signals of each channel. If the lead position of the first channel is not placed properly, the signal is low and the noise is large, while the signal quality of the second channel is good. For the latter channel, the signal-to-noise ratio of the superimposed data decreases instead.

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