| QRS subtraction for atrial electrograms: flat, linear and spline interpolations. | |
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MedLine Citation:
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PMID: 21959592 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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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. |
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Authors:
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A Ahmad; J L Salinet; P Brown; J H Tuan; P Stafford; G Andre Ng; F S Schlindwein |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-9-30 |
Journal Detail:
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Title: Medical & biological engineering & computing Volume: - ISSN: 1741-0444 ISO Abbreviation: - Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-9-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7704869 Medline TA: Med Biol Eng Comput Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Engineering, University of Leicester, Leicester, LE1 7RH, UK, aa384@le.ac.uk. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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