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http://dx.doi.org/10.6109/jkiice.2012.16.9.2021

Patient Adaptive Pattern Matching Method for Premature Ventricular Contraction(PVC) Classification  

Cho, Ik-Sung (부산대학교 IT응용공학과)
Kwon, Hyeog-Soong (부산대학교 IT응용공학과)
Abstract
Premature ventricular contraction(PVC) is the most common disease among arrhythmia and it may cause serious situations such as ventricular fibrillation and ventricular tachycardia. Particularly, in the healthcare system that must continuously monitor patient's situation, it is necessary to process ECG (Electrocardiography) signal in realtime. In other words, the design of algorithm that exactly detects R wave using minimal computation and classifies PVC by analyzing the persons's physical condition and/or environment is needed. Thus, the patient adaptive pattern matching algorithm for the classification of PVC is presented in this paper. For this purpose, we detected R wave through the preprocessing method, adaptive threshold and window. Also, we applied pattern matching method to classify each patient's normal cardiac behavior through the Hash function. The performance of R wave detection and abnormal beat classification is evaluated by using MIT-BIH arrhythmia database. The achieved scores indicate the average of 99.33% in R wave detection and the rate of 0.32% in abnormal beat classification error.
Keywords
Premature Ventricular Contraction(PVC); RR interval; adaptive threshold; window; pattern matching; MIT-BIH database;
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