Title :
Spectral analysis of high resolution ECG in study on late potentials
Author :
Maniewski, Roman ; Lewandowski, P. ; Liebert, Adam ; Mroczka, T. ; Steinbach, K.
Author_Institution :
Inst. of Biocybern. & Biomed. Eng., Polish Acad. of Sci., Warsaw
Abstract :
Spectral analysis of high-resolution ECG based on fast Fourier transform and autoregressive estimation is discussed. The detectability of cardiac late potentials and prediction of ventricular tachyarrhythmias are compared using time and frequency analysis of ECG data of 120 patients after myocardial infarction. The quantification of spectrotemporal maps was proposed to simplify interpretation of results and to obtain numerical criteria for risk stratification of ventricular arrhythmias
Keywords :
bioelectric potentials; electrocardiography; fast Fourier transforms; medical signal processing; spectral analysis; time-frequency analysis; autoregressive estimation; cardiac late potentials detectability; electrodiagnostics; fast Fourier transform; high resolution ECG spectral analysis; high-resolution ECG; myocardial infarction patients; numerical criteria; risk stratification; spectrotemporal maps quantification; ventricular arrhythmias; ventricular tachyarrhythmias prediction; Electrocardiography; Energy resolution; Frequency estimation; Gravity; Myocardium; Noise measurement; Sensitivity and specificity; Signal resolution; Spectral analysis; Testing;
Conference_Titel :
Engineering in Medicine and Biology Society, 1995 and 14th Conference of the Biomedical Engineering Society of India. An International Meeting, Proceedings of the First Regional Conference., IEEE
Conference_Location :
New Delhi
Print_ISBN :
0-7803-2711-X
DOI :
10.1109/RCEMBS.1995.511736
