Full text in:
A method is proposed for quantitative assessment of the phase synchronization of 0.1 Hz oscillations in autonomic cardiovascular control by photoplethysmogram analysis in real time. The efficiency of the method is shown in the comparison with the results obtained by the previously developed method.
Borovkova EI, Ishbulatov YuM, Mironov SA. Method of synchronization assessment of rythms in regulatory systems for signal analysis in real time. Saratov Journal of Medical Scientific Research 2014; 10(3): 390–395. Russian