Fig. 4

Results of Na⁺–K⁺–ATPase (a1) and Ca²⁺–Mg²⁺–ATPase (a2) in myocardial tissue and the pathological sections. Normal group (b1 ×20, b2 ×40), model group (c1 ×20, c2 ×40), NAP group (d1 ×20, d2 ×40), and HSP group (e1 ×20, e2 ×40), vs model group, *p < 0.05; vs normal group, ^#p < 0.05, ^##p < 0.01