Objective: To investigate the regularity of early cardiofunctional disorders in dogs with severe myocardial contusion, and to investigate the sensitivity and specificity of DSE and DTE in the diagnosis of MC.

• 目的:探讨犬重度心肌挫伤(MC)后早期心功能损害的规律与可能机理及负荷超声心动图(Stress echocardiography)和多普勒组织能量图(DTE)测定能否提高对心肌挫伤诊断的敏感性和特异性。