Heart rate variability : linear and nonlinear analysis with applications in human physiology (2010)
Abstract / truncated to 115 words
Cardiovascular diseases are a growing problem in today’s society. The World Health Organization (WHO) reported that these diseases make up about 30% of total global deaths and that heart diseases have no geographic, gender or socioeconomic boundaries. Therefore, detecting cardiac irregularities early-stage and a correct treatment are very important. However, this requires a good physiological understanding of the cardiovascular system. The heart is stimulated electrically by the brain via the autonomic nervous system, where sympathetic and vagal pathways are always interacting and modulating heart rate. Continuous monitoring of the heart activity is obtained by means of an ElectroCardioGram (ECG). Studying the fluctuations of heart beat intervals over time reveals a lot of information and is ... toggle 9 keywordsnonlin – DSP – numalg – sysid – numerical algorithms – biomedical signal processing – dynamical systems – chaos – fractals
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