High-Bandpass Filters in Electrocardiography : Source of Error in the Interpretation of the ST Segment
Joint Authors
Arnau-Vives, A.
Arnau-Vives, M. A.
Palencia-Pérez, M. A.
Jiménez-Jiménez, Y.
Martínez-Dolz, L. V.
Buendía-Fuentes, Francisco
Rueda-Soriano, J.
Osa-Sáez, A.
Zorio-Grima, E.
Almenar-Bonet, L.
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-06-21
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
Introduction.
Artifactual variations in the ST segment may lead to confusion with acute coronary syndromes.
Objective.
To evaluate how the technical characteristics of the recording mode may distort the ST segment.
Material and Method.
We made a series of electrocardiograms using different filter configurations in 45 asymptomatic patients.
A spectral analysis of the electrocardiograms was made by discrete Fourier transforms, and an accurate recomposition of the ECG signal was obtained from the addition of successive harmonics.
Digital high-pass filters of 0.05 and 0.5 Hz were used, and the resulting shapes were compared with the originals.
Results.
In 42 patients (93%) clinically significant alterations in ST segment level were detected.
These changes were only seen in “real time mode” with high-pass filter of 0.5 Hz.
Conclusions.
Interpretation of the ST segment in “real time mode” should only be carried out using high-pass filters of 0.05 Hz.
American Psychological Association (APA)
Rueda-Soriano, J.& Zorio-Grima, E.& Osa-Sáez, A.& Martínez-Dolz, L. V.& Almenar-Bonet, L.& Palencia-Pérez, M. A.…[et al.]. 2012. High-Bandpass Filters in Electrocardiography : Source of Error in the Interpretation of the ST Segment. ISRN Cardiology،Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-492081
Modern Language Association (MLA)
Rueda-Soriano, J.…[et al.]. High-Bandpass Filters in Electrocardiography : Source of Error in the Interpretation of the ST Segment. ISRN Cardiology No. 2012 (2012), pp.1-10.
https://search.emarefa.net/detail/BIM-492081
American Medical Association (AMA)
Rueda-Soriano, J.& Zorio-Grima, E.& Osa-Sáez, A.& Martínez-Dolz, L. V.& Almenar-Bonet, L.& Palencia-Pérez, M. A.…[et al.]. High-Bandpass Filters in Electrocardiography : Source of Error in the Interpretation of the ST Segment. ISRN Cardiology. 2012. Vol. 2012, no. 2012, pp.1-10.
https://search.emarefa.net/detail/BIM-492081
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-492081