题目: 患者男性,21岁,因心悸、胸闷3小时就诊,听诊心率72次/分,心律规则。对于可考虑的病因,下列哪项不可能()A.无器质性心脏病者B.风湿性心瓣膜病C.心肌病D.心肌炎E.以上都不是 答案: 参考答案:E
题型:选择题 Don't promise anything_______you are 100 percent sure. [ ]A. since B. after C. if D. unless 查看答案