Objective: To investigate the changes in right ventricular dysfunction after myocardial contusion (MC).
目的：探讨心肌挫伤(MC)后右心室功能的变化规律。
Objective: Study the protective effects of hypoxic preconditioning on rat myocardial contusion and inquire mechanism.
目的：探讨缺氧预处理对大鼠钝性心脏挫伤的保护作用及其机制。
Conclusion Stressed echocardiography may have a higher specificity in the diagnosis of myocardial contusion and a higher clinical value.
结论负荷超声心动图在心肌挫伤的检出中具有更高的特异性，临床应用的价值更大。
Conclusion Stressed echocardiography may have a higher specificity in the diagnosis of myocardial contusion and a higher clinical value.
结论负荷超声心动图在心肌挫伤的检出中具有更高的特异性，临床应用的价值更大。
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