患者女，58岁，因“活动后胸闷、气短3年，左侧肢体无力2d“来诊。查体：BP120/70mmHg，双肺呼吸音清，无啰音。HR116次/min，心律绝对不齐，心尖部可闻及舒张期杂音，腹平软，肝剑突下2cm，质软。肢体皮温正常，左侧上、下肢肌力3级，右侧正常。双下肢轻度水肿。
下一步应采取的治疗有（）（提示治疗1个月后颅脑CT显示梗死灶消失，患者肢体肌力恢复。）
A.溶栓治疗
B.停用华法林，改用肝素
C.维护心功能
D.二尖瓣置换
E.左心房取血栓
F.心房颤动手术消融
G.药物消除心房颤动
参考答案：B, C, D, E, F
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