菱形变形一般还会附加有许多断裂及弯曲的组合损伤。
参考答案：对
对长期严重心力衰竭，内科治疗无效的扩张型心肌病应考虑（）
A.瓣膜置换
B.安装DDD型起搏器
C.心脏移植术
D.绝对卧床休息
E.射频消融
Directions:
Write an essay of 160-200 words based on the following drawing. In your essay, you should
1) describe the drawing briefly.
2) explain its intended meaning, and
3) give your comments.
