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Systematic variability in ICG recordings results in ICG complex subtypes: steps towards the enhancement of ICG characterization
Laboratory of Instrumentation, University of Sciences and Technology Houari Boumediene, Algiers, Algeria; Department of Textile Technology University of Borås, Borås, Sweden.
Laboratory of Instrumentation, University of Sciences and Technology Houari Boumediene, Algiers, Algeria; Department of Textile Technology University of Borås, Borås, Sweden.
Laboratory of Instrumentation, University of Sciences and Technology Houari Boumediene, Algiers, Algeria.
Laboratory of Instrumentation, University of Sciences and Technology Houari Boumediene, Algiers, Algeria.
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2018 (Engelska)Ingår i: Journal of Electrical Bioimpedance, E-ISSN 1891-5469, Vol. 9, nr 1, s. 72-82Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The quality of an impedance cardiography (ICG) signal critically impacts the calculation of hemodynamic parameters. These calculations depend solely on the identification of ICG characteristic points on the ABEXYOZ complex. Unfortunately, contrary to the relatively constant morphology of the PQRST complex in electrocardiography, the waveform morphology of ICG data is far from stationary, which causes difficulties in the accuracy of the automated detection of characteristic ICG points. This study evaluated ICG recordings obtained from 10 volunteers. The results indicate that there are several different waveforms for the ABEXYOZ complex; there are up to five clearly distinct waveforms for the ABEXYOZ complex in addition to those that are typically reported. The differences between waveform types increased the difficulty of detecting ICG points. To accurately detect all ICG points, the ABEXYOZ complex should be analyzed according to the corresponding waveform type.

Ort, förlag, år, upplaga, sidor
Walter de Gruyter, 2018. Vol. 9, nr 1, s. 72-82
Nyckelord [en]
bioimpedance, impedance cardiography, dZ/dt signal, ABEXYOZ complex, characteristic points, waveform analysis
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URN: urn:nbn:se:umu:diva-213080DOI: 10.2478/joeb-2018-0012Scopus ID: 2-s2.0-85068998347OAI: oai:DiVA.org:umu-213080DiVA, id: diva2:1789792
Tillgänglig från: 2023-08-21 Skapad: 2023-08-21 Senast uppdaterad: 2023-10-13Bibliografiskt granskad

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