Figure 2. Effect of HBOT on cardiac function in pre-diabetic rats after induction of aging by D-gal. (A) Ejection fraction. (B) Fractional shortening. (C–H) P-V loop Analysis. NDV, normal diet fed rats with vehicle; NDDg, normal diet fed rats with D-gal; HFV, high-fat diet fed rats with vehicle; HFDg, high-fat diet fed rats with D-gal; EF, ejection fraction; FS, Fractional shortening; HBOT, hyperbaric oxygen therapy. (n = 8/group). *P < 0.05.