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Fig. 1 | Respiratory Research

Fig. 1

From: Effects of bilateral lung transplantation on cardiac autonomic modulation and cardiorespiratory coupling: a prospective study

Fig. 1

Acute effects of lung transplant on cardiac autonomic modulation from spectral and symbolic analyses in supine position. Total power represents the global heart rate variability (the sum of VLF, LF and HF spectral components); 0 V (%) represents sympathetic contribution; 2UV (%) and 2LV (%) represent autonomic parasympathetic contribution; the squared coherence function at high frequencies between breath rate and heart rate (RR-RESP HFk2) represents the cardiorespiratory coupling that ranges from 0 (no correlation) and 1 (highest correlation); bpm: beats per minute; ms: milliseconds; T0: baseline, before lung transplant; T1: 15 days after lung transplant. α < 0.05

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