Fig. 4From: Evaluation of left ventricular mechanical work and energetics of normal hearts in SERCA2a transgenic ratsSummary of mean slope (a) and VO2 intercept (b) of the VO2–PVA relations, oxygen consumption per minute for basal metabolism (Basal) and excitation–contraction (E–C) coupling (ECC) (c) and O2 cost of LV contractility (d) in the WT (n = 8), TGI (n = 4), and TGII (n = 5) groups. *P < 0.05 vs. WTBack to article page