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Frequent ventricular ectopy results a great problem of any heart rate variability analysis method, because the interpolation of the R-R intervals significantly disturbs the intrinsic rhythm's features. Recurrence quantification analysis (RQA) is a valuable tool for predicting serious cardiovascular events. Our ambulatory ECG (AECG) system (RhythmPattern, SzivLeso) processes the 1 kHz ECG recordings,...
The rapid growing of the wide urban residential areas imposes the expansion as well as the modernization of the existing water supply facilities. Process automation system based upon utilization of an industrial PLC and PC systems including all the network components represents the best way to improve the water distribution technological process. The system includes remote terminal units - RTU, specific...
Three studies were performed assessing the clinical value of digital electro- and phonocardiography (dECG, dPCG) with telemedicine application. In the first study, some Doppler echocardiographic parameters (ejection fraction, aortic Vmax, the grade of mitral and tricuspid regurgitation) were estimated from the spectral amplitude value of 170 time-frequency cells of the TriTest dPCG using multivariate...
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