Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

| A | | 1 | | B | | b | | C | | 人才招聘 | | D | | | | E | | 电子 | | F | | f | | G | | 克 | | H | | h | | I | | 我 | | J | | j | | K | | k | | L | | 升 | | M | | 米 |
| N | | n | | O | | o | | P | | p | | Q | |常见问题 | | R | | 研究 | | S | | | | T | | 吨 | | U | | u | | V | | v | | W | | 瓦特 | | X | | x | | Y | | y |

Hearing impairment听觉受损

Hearing impairment is when the hearing is affected by a disease, disorder or injury.听觉受损的是，当听证会是受一种疾病，障碍或身体受伤。 Deafness is a profound loss of hearing.耳聋是一场深刻的丧失听觉。 Leading charity, the RNID, estimates that there are between eight and nine million deaf and hearing impaired people in the UK.领导的慈善， rnid ，估计有介乎八至900.0万聋人和听力受损的人在英国。 This number is expected to rise as the number of people over the age of 60 increases.这个数字预计将成长为有多少人60岁以上的升幅。

Hearing loss can be present at birth (deaf or hard of hearing people) or develop in childhood or adulthood (deafened people).听力损失的，可目前在出生时（聋人或有听力障碍的人）或发展在童年或成年（聋的人） 。 It occurs for a large number of reasons, which can be categorised into conductive and sensorineural.出现了一大批的原因，可分为传导性和感音神经性。

Conductive means that sound coming into the ear is blocked in some way from travelling to the inner ear.导电手段，健全的进入耳朵被封锁在以某种方式从乘车到内耳。 Conductive causes include:导电的原因包括：

  • Middle ear infections,中耳感染，
  • Glue ear,胶耳，
  • Wax blockage,蜡堵塞，
  • Eardrum injury,鼓膜损伤，
  • Otosclerosis (a disorder of the middle ear),耳硬化症（一紊乱，中耳） ，
  • and Rheumatoid arthritis.与类风湿关节炎。

Sensorineural causes are ones where the pathway the sound travels along is damaged.感音神经性原因是那些途径的声音旅行一直是损坏。 These include:这些措施包括：

  • Age-related hearing loss,年龄相关性听力损失，
  • Acoustic trauma (physical damage to the ear),声损伤（物理损害的耳朵） ，
  • Viral infections such as mumps or measles,病毒感染，如腮腺炎或麻疹，
  • Meniere’s disease, meniereâ € ™病，
  • Acoustic neuroma (a non-cancerous growth near the hearing nerves) ,听神经瘤（非癌性增长近听证会神经） ，
  • Meningitis,脑膜炎，
  • Encephalitis,脑炎，
  • Multiple sclerosis,多发性硬化症，
  • Brain tumours,脑肿瘤，
  • and Stroke.和中风。