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Classification of Normal and Abnormal QRS-complex for Home Health Management System  

최안식 (경희대학교 전자정보대학 동서의료공학과)
우응제 (경희대학교 전자정보대학 동서의료공학)
박승훈 (경희대학교 전자정보대학 동서의료공학)
윤영로 (연세대학교 보건과학대학 의공학부)
Publication Information
Journal of Biomedical Engineering Research / v.25, no.2, 2004 , pp. 129-135 More about this Journal
Abstract
In the home health management system, we often face the situation to handle biological signals that are frequently measured from normal subjects. In such a case, it is necessary to decide whether the signal at a certain moment is normal or abnormal. Since ECC is one of the most frequently measured biological signals, we describe algorithms that detect QRS-complex and decide whether it is normal or abnormal. The developed QRS detection algorithm is a simplified version of the conventional algorithm providing enough performance for the proposed application. The developed classification algorithm that detects abnormal from mostly normal beats is based on QRS width, R-R interval and QRS shape parameter using Karhunen-Loeve transformation. The simplified QRS detector correctly detected about 99% of all beats in the MTT/BIH ECG database. The classification algorithm correctly classified about 96% of beats as normal or abnormal. The QRS detection and classification algorithm described in this paper could be used in home health management system.
Keywords
Home health management; QRS detection; Normal vs. Abnormal; QRS width; R-R interval; QRS shape parameter;
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