Title :
Highpass filters for detecting late potentials
Author :
Link, A. ; Trahms, L.
Author_Institution :
Physikalisch-Tech. Bundesanstalt, Berlin, Germany
Abstract :
A nonrecursive monotonous binomial highpass filter is suggested for the analysis of the signal averaged electrocardiograms (ECGs). Theoretical background and details of the appropriate design of these filters are given. The application of these digital filters to signal averaged ECGs provides an undistorted detection of late potentials. Time and phase behavior is improved with respect to the recursive Butterworth filter of fourth order, which has been used frequently and successfully to identify late potentials
Keywords :
bioelectric potentials; biomedical electronics; digital filters; electrocardiography; medical signal processing; filter design; fourth order filter; late potentials detection; nonrecursive monotonous binomial highpass filter; recursive Butterworth filter; signal averaged ECGs; Algorithm design and analysis; Cutoff frequency; Digital filters; Digital signal processing; Electrocardiography; Filtering; Nonlinear filters; Signal analysis; Signal design; Signal processing;
Conference_Titel :
Computers in Cardiology 1992, Proceedings of
Conference_Location :
Durham, NC
Print_ISBN :
0-8186-3552-5
DOI :
10.1109/CIC.1992.269422
