张大爷近一段时间感到经常疲乏无力,家里人发现他面无血色,劝他到医院里看看。但张大爷看电视广告看得多了,知道自己这是贫血,就买了几盒治贫血的口服液喝,半个月过去了,张大爷的脸色仍然红润不起来,身体越来越虚弱,他感觉不妙,这才来到医院。医生听完张大爷的病史,问 Zhang uncle often feel weak and weak for some time, the family found him faceless, advised him to the hospital to see. However, Zhang uncle saw more television ads, knowing he was anemia, bought a few boxes of anemia oral liquid drink, half a month later, uncle Zhang’s face is still not rosy, the body more and more weak, He did not feel good, this came to the hospital. After listening to Dr. Zhang’s medical history, asked