患者女性，25岁，风湿性心脏病，心房颤动，长期口服洋地黄。心电图如图3-6-4所示，
题型：单项选择题
问题：
患者女性，25岁，风湿性心脏病，心房颤动，长期口服洋地黄。心电图如图3-6-4所示，应考虑为（）。
A.低钾血症
B.高钾血症
C.洋地黄效应
D.高钙血症
E.洋地黄中毒
题型：单项选择题
But after a few months at college, I changed myself小题1:. I met new people. I started learning about history, politics, and the world. I didn’t have the time or patience for long phone conversations. I stopped caring so much about things like makeup. I once went to a party with no makeup on, but I felt fine. I just laughed about it. My new way of thinking brought me 小题2:my mother. Now, I talk to my mother almost every day. We get along quite well. We go to movies小题3:and read the same books. I tell her about my problems and she gives me good小题4:. Last month, my mother helped me through a bad time. She is an amazing person. I know that now.