Loss of adiponectin results in exacerbated LPS-induced cardiac dysfunction. (a) Representative M-mode echocardiograms for WT and APN-KO mice 6 h after LPS or control vehicle injection. (b)–(d) Quantitative analysis of the fractional shortening (FS) (b), LV end diastolic dimension (LVDd) (c), and LV end systolic dimension (LVDs) (d), in WT and KO mice 6 h after LPS or vehicle injection ( in each group). Results are presented as mean ± SE.