19 Deafness (Children) 耳聋(儿童)

患者母亲：医生，我的孩子听不清。医生：一只耳朵还是两只耳朵都听不清？When he was one and a half years old , he had a higher fever , since then we noticed he can ’ t hear properly .患者母亲：从小就聋。一岁半时他发过一次高烧，之后我们发现他耳朵就不太好使了。医生：他注射过链霉素或卡那霉素吗？患者母亲：两年前他因为患肺炎注射过7针链霉素，此后耳聋就更加重了。医生：他有耳鸣或眩晕吗？医生：这并不容易治好 ......