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Cardiac function detected by echocardiography. (a) EF, FS, LVEDd, and LVEDs in sham-operated group. (b) Increased EF and FS and decreased LVEDd and LVEDs in sham-operated rats. (c) Changes in EF in fosinopril sodium group. (d) Improvements in EF and FS in QSYQ group.
