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Estimation and power spectral analysis of heart instantaneous frequency (HIF) - A wavelet approach
T. Ravichandran, A. Avudainayagam,
Published in
2003
Volume: 1
   
Pages: 223 - 226
Abstract
The estimation and power spectral analysis of heart rate variability (HRV) was studied for the management of cardiac arrythemia. Two minutes of ECG Data (12 arryhthmic subjects) for the estimation of HIF were obtained from MIT-BIH arrhythmia database. The estimation procedure was initiated with low pass filtering the ECG data which was originally sampled at 360Hz, and down sampled to 4Hz. The results of the clinical evidence of the depressed HRV with signs of sympathetic overdrive and decrease in vagal activity provide a reliable predictor of mortality after myocardial infarction.
About the journal
JournalIEEE Region 10 Annual International Conference, Proceedings/TENCON
Open AccessNo
Concepts (16)
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    Algorithms
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    Bandpass filters
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    Database systems
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    Electrocardiography
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    Extraction
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    Gaussian noise (electronic)
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    Numerical analysis
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    Parameter estimation
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    Sampling
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    Spectrum analysis
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    Wavelet transforms
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    BUTTERWORTH FILTERS
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    HEART INSTANTANEOUS FREQUENCY (HIF)
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    HEART RATE VARIABILITY (HRV)
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    VAGAL ACTIVITY
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    Biological organs