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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Krishnam, R. Nazeran, H. Chatlapalli, S. Haltiwanger, E. Pamula, Y. |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Texas Univ., El Paso, TX (Krishnam, R.; Nazeran, H.; Chatlapalli, S.) |
| Abstract | On the body surface the electric field generated by the cardiac muscles consists of electric potential maxima and minima that increase and decrease during each cardiac cycle. The recording of these electric potentials as a function of time is called electrocardiography, and the resulting signal is called the electrocardiogram (ECG). The ECG signal is used extensively as a low cost diagnostic tool to provide information concerning the heart's state of health. Reliable and accurate detection of the QRS complex and R wave peak in ECG signals is essential in computer-based ECG analysis. In this paper we evaluate the significance of detrended fluctuation analysis (DFA) for studying heart rate variability in children with sleep disordered breathing. An enhanced Hilbert transform (EHT) algorithm was used to derive the heart rate variability (HRV) signal. We compare the DFA values with approximate entropy and Poincare plots of HRV signals as these are very useful in characterization and visualization of HRV data. Our data demonstrated differences in DFA parameters between periods of normal and abnormal breathing and also between sleep stages. These results suggest that DFA is suitable for the long-term analysis of non-stationary time series such as HRV signals and may also be applied in the detection of sleep disordered breathing |
| Starting Page | 1174 |
| Ending Page | 1177 |
| File Size | 532904 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780387414 |
| DOI | 10.1109/IEMBS.2005.1616632 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-01-17 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fluctuations Signal analysis Heart rate variability Sleep Electrocardiography Doped fiber amplifiers Electric potential Muscles Costs Pediatrics Biomedical Signal Procssing Detrended Fluctuation Analysis (DFA) Sleep Apnea Heart Rate Variability (HRV) |
| Content Type | Text |
| Resource Type | Article |
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