QRS subtraction for atrial electrograms: flat, linear and spline interpolations.
The main objective of this article is to implement and compare QRS subtraction techniques for intra-cardiac atrial electrograms based on using the surface ECG as a reference. A band-pass filter between 8 and 20 Hz followed by rectification, and then a low-pass filter at 6 Hz are used for QRS detecti...
| Publicado en: | Medical & Biological Engineering & Computing Vol. 49; no. 11; pp. 1321 - 1329 |
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| Autores principales: | , , , , , , , , , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Springer Nature
Nov2011
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104595298&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104595298 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 01400118 PO0 jtl: Medical & Biological Engineering & Computing issn: 01400118 maglogo: N pubinfo: dt: Nov2011 vid: 49 iid: 11 pid: 237 pub: Springer Nature place: New York, New York artinfo: ui: 104595298 NLM21959592 2011349657 10.1007/s11517-011-0829-9 NLM21959592 104595298 ppf: 1321 ppct: 8 formats: fmt: @attributes: type: P tig: atl: QRS subtraction for atrial electrograms: flat, linear and spline interpolations. aug: au: Ahmad A Salinet JL Jr Brown P Tuan JH Stafford P Ng GA Schlindwein FS Ahmad, A Salinet, J L Jr Brown, P Tuan, J H Stafford, P Ng, G Andre Schlindwein, F S affil: Department of Engineering, University of Leicester, Leicester LE17RH, UK sug: subj: Atrial Fibrillation Diagnosis Heart Function Tests Methods Signal Processing, Computer Assisted Algorithms Electrocardiography Methods Human ab: The main objective of this article is to implement and compare QRS subtraction techniques for intra-cardiac atrial electrograms based on using the surface ECG as a reference. A band-pass filter between 8 and 20 Hz followed by rectification, and then a low-pass filter at 6 Hz are used for QRS detection. QRS subtraction was performed using three different approaches: flat, linear and spline interpolations. QRS subtraction affects the power of the signals but it normally does not affect the dominant frequency. The average power of the atrial electrograms after QRS subtraction is significantly reduced for frequencies above 10 Hz. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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