Table 4. Baseline condition of isolated papillary muscle. DT, maximum developed tension; RT, resting tension; + dT/dt, peak of the positive tension derivate; - dT/dt, peak of the negative tension derivate; CSA, cross-sectional area of the papillary. Data expressed as mean ± SD. p<0.05. * vs. Sham; ^& vs. ShamT; ^# vs. AS. (n = 15-22 each group)