Conclusion: Isoproterenol could induce myocardial necrosis and apoptosis, TXLC could alleviate the myocardial injury through preventing myocardial cell necrosis and apoptosis.

• 结论：异丙肾上腺素可致大鼠心肌组织坏死与凋亡，通心络胶囊可通过抑制心肌细胞坏死与凋亡而减轻心肌损伤。