Abstract
We develop an autonomous mobile device for continuous monitoring of cardiovascular system functional state, which is based on the assessment of synchronization between the low-frequency oscillations in heart rate and blood flow having a basic frequency close to 0.1 Hz.
Highlights
Development of mobile device for interactive medical care in patients with cardiovascular diseases based on contemporary information technologies is an active area of research in recent years [1 - 5]
It was shown that the main rhythmic processes governing the cardiovascular dynamics in humans, namely, the main heart rhythm, respiration, and Low-Frequency (LF) oscillations in heart rate and blood flow generally exhibit epochs of synchronization between themselves, which ensure a high adaptability of the cardiovascular system [6 - 10]
In our earlier study [7], we have proposed a method for quantitative estimation of synchronization between the LF oscillations of heart rate and blood flow having in humans a basic frequency close to 0.1 Hz [11]
Summary
Development of mobile device for interactive medical care in patients with cardiovascular diseases based on contemporary information technologies is an active area of research in recent years [1 - 5]. It was shown that the main rhythmic processes governing the cardiovascular dynamics in humans, namely, the main heart rhythm, respiration, and Low-Frequency (LF) oscillations in heart rate and blood flow generally exhibit epochs of synchronization between themselves, which ensure a high adaptability of the cardiovascular system [6 - 10] This synchronization may be deteriorated at various cardiovascular pathologies, e.g., Acute Myocardial Infarction (AMI) and Hypertension (Htn) leading to a disruption of natural functional couplings within the system of autonomic regulation of cardiovascular system. We believethat the analysis of data registered over a long period of time can provide a physician with additional useful information about the interaction of oscillating processes governing the cardiovascular dynamics In prospect, such device can be used for continuous distant control of patient state and help a physician to assign and correct treatment in time
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