Figure 3From: Cardioprotection afforded by exercise training prior to myocardial infarction is associated with autonomic function improvement Pearson’s correlations between autonomic balance (LF/HF ratio) and: relative wall thickness (RWT, panel A) and fractional shortening (FS, panel B); as well as between high frequency band (HF) and: E/A ratio (panel C) and myocardial performance index (MPI, panel D). Back to article page