Figure 2.

A, CKD ventricular myocytes exhibit lower Ca²⁺ transients and decreased SR Ca²⁺ content. B, The incidence and frequency of Ca²⁺ sparks increased unevenly in cardiomyocytes of CKD mice. C, The ratio of Ca²⁺ leakage increased in CKD mice. D, More EADs were observed in CKD mice