Fig. 7From: Evaluation of left ventricular mechanical work and energetics of normal hearts in SERCA2a transgenic ratsMitochondrial swelling was not observed in electron micrographs of myocytes in TG hearts (a) but was observed in WT hearts (b) under Ca2+ overloaded conditions. Arrows indicate slightly swollen mitochondria in the Ca2+ overloaded WT myocyte. Bars 500 nmBack to article page