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Long-term synchronous monitoring of heart rate and biochemical parameters of the blood was performed at the minute scale in four healthy female volunteers. Each experiment involved continuous ECG recording during 90 minutes and blood sampling once in every 2 minutes. The concentrations of triiodothyronine, cortisol, glucose, and stable metabolites of nitrogen oxides (NOx) in venous blood were measured...
Eight experiments on synchronized monitoring of cardiac indices at rest in six healthy women were conducted simultaneously at three geographical locations: Sofia, Moscow, and Arkhangelsk. By comparing the spectra of dynamic time series of the subjects’ pulse and of variations in the horizontal component of the geomagnetic field vector in the frequency range of Pc5 geomagnetic pulsations, it was shown...
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