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 | |
When should it be done?应该在什么时候，它做什么？ of Hearing tests听力测试
Babies are given a routine hearing test within 48 hours of being born.婴儿给出了例行听力测验的48小时内出生。 Children then have regular hearing checks as they get older, which usually take place at school or your GP surgery.儿童，然后定期听力检查，因为他们年纪，它通常发生在学校或你的家庭医生手术。
Apart from these routine checks, hearing tests are used to diagnose or to rule out other health conditions.除了这些例行检查，听力测验是用来诊断或排除其他的健康状况。 For example, if your child suddenly cannot hear you calling him or her, there are several possible diagnoses.例如，如果您的孩子突然不能听到您的来电，他或她，有几个可能的诊断。 These could include behavioural problems like attention deficit hyperactivity disorder (ADHD), or physical problems like glue ear, when there is a build up of sticky mucus in the inner ear.这些可能包括行为上的问题一样，注意缺陷多动障碍（ ADHD ）的，或身体上的问题，像胶耳，当有一个建立的粘粘液在内耳的。 A hearing test is just one way of working out what is the matter. 1听力测验只是其中之一的工作方式是什么，是这件事。
Similarly, adults who lose all or part of their hearing might also have a hearing test.同样，成年人谁失去其全部或部分听证会也可能有听力测验。 There are many reasons why adults might lose their hearing, such as being exposed to loud noises at work, or having an ear infection.原因有很多成年人可能会失去他们的听力，如暴露在高噪音的工作，或有一个耳朵感染。
You should visit the doctor if you have loss of hearing in one or both ears, and if you have:你应该访问医生如果你有丧失听觉在一个或两个耳朵，如果你有：
- tinnitus (ringing, or buzzing in the ear);耳鸣（铃声，或在热闹的耳朵） ;
- dizziness or loss of balance (which can be due to ear problems);头晕或失去平衡（可由于耳朵的问题） ;
- ear pain that is severe or goes on for more than 24 hours;耳朵痛是严重的或下去， 24小时以上;
- fluid or blood coming out of the ear.液体或血液中走出来的耳朵。
You might also need a hearing test if you have a head injury, as this can cause damage to the nerves and brain.您可能还需要一个听力测验如果您有头部外伤，因为这可以造成损害，从而影响神经和大脑。
