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. 2019 Jul 27;11:100189. doi: 10.1016/j.ynstr.2019.100189

Fig. 2.

Fig. 2

Representative image of wavelet transform before and after RIPC. ECG was recorded in a 24 years old healthy male volunteer. The wavelet transform was computed in this subject using RR intervals of ECG recorded before (A) and after RIPC (B) and presented as a distribution of power of oscillations (axis y) over time (axis z) at different frequencies (axis x). In this volunteer, RIPC resulted in the following changes of the calculated parameters of HRV: VLF increased from 410 to 633 ms2/Hz; LF increased from 72 to 235 ms2/Hz; HF was similar before and after RIPC (188 and 195 ms2/Hz, respectively).