二尖瓣P波
参考答案:
二尖瓣P波指二尖瓣狭窄使左心房扩大,心电图表现为P波增宽(≥0.12秒)、顶部有切迹。
短文改错(包括与图中不符的错误和语法错误),并在下面横线上改正。
Man: Now, Sheila, tell me what you can see in the picture.
Sheila: Well I can see a park. There has four child on the grass. One of they is watching a book, while
the other are playing the football. There is a white dog under the tree, and a parrot on the tree. The parrot
can speak English, Listen, it is saying "Good morning!"
Man: Thank you, Sheila. Um, do you wear glasses?
1._______2._______3._______4._______
5._______6._______7._______8._______
观察肠梗阻病人,如发现腹部出现固定性压痛及腹膜刺激征时,提示肠梗阻的性质为()
A.痉挛性
B.麻痹性
C.粘连性
D.绞窄性
E.单纯性