The effect of parameters of electrocardiograph measuring channel on recordings of micropotentials of the heart

Diana Konstantinovna Avdeeva, Veniamin Yur evich Kazakov, Nataliya Mihajlovna Natalinova, Ivan Vadimovich Maksimov, Marija Vjacheslavovna Balahonova

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The paper presents the research findings on the total effect of different types of filters on the electrocardiogram (ECG) signal recorded by a high-resolution electrocardiograph based on nanoelectrodes without filters in the band from 0 to 150 Hz. A standard block diagram of one ECG channel includes both amplifiers and a number of filters: a high-pass filter, a filter of constant component, a low-pass filter, an anti-aliasing filter, a rejection filter, and others. The method of computer simulation was used to study the effect of the fine structure distortions (low-amplitude high-frequency fluctuations) of the heart biopotentials caused by the filter circuits. The simulation was performed using the LabVIEW software package. It is shown that the filters distort the shape and amplitude of the heart micropotentials, and intro¬duce phase shifts or remove them from the output signal of the considered ECG. It is essential to consider signal filtering when applying the amplitude and time diagnostic criteria. In some cases, application of diagnostic criteria to the filtered signal can produce erroneous results.

Original languageEnglish
Article numberBM-025
JournalBiology and Medicine
Volume6
Issue number2
Publication statusPublished - 2014

Fingerprint

Electrocardiography
Anti-aliasing
High pass filters
Wave filters
Low pass filters
Phase shift
Software packages
Computer Simulation
Software
Networks (circuits)
Computer simulation
Research

Keywords

  • Bandpass filter
  • ECG
  • High-pass filter
  • Low-pass filter
  • Measurement of the heart biopotentials
  • Micropotentials of the heart
  • Rejection filter
  • Signal filtering

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

The effect of parameters of electrocardiograph measuring channel on recordings of micropotentials of the heart. / Avdeeva, Diana Konstantinovna; Kazakov, Veniamin Yur evich; Natalinova, Nataliya Mihajlovna; Maksimov, Ivan Vadimovich; Balahonova, Marija Vjacheslavovna.

In: Biology and Medicine, Vol. 6, No. 2, BM-025, 2014.

Research output: Contribution to journalArticle

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