1. Conductive hearing loss in children and adults

3. Definition A hearing loss due to pathology affecting the transmission of sound from the environment to the cochlea Maximum loss of 50-60 dBHL, therefore no more than mild/moderate

5. Audiometric findings of low frequency conductive hearing loss

6. Otoscopy and the normal tympanic membrane

7. CHL in children Middle ear effusion (glue ear)incidence aetiology predisposing factors clinical findings treatment – surgical medical others

8. Glue ear presentations are variable

9. Grommets in treatment of glue ear

10. Other causes of CHL Infections – acute otitis externa acute otitis media

11. Chronic suppurative otitis externa

12. Chronic suppurative otitis media

13. Cholesteatoma

14. Otosclerosis

15. Trauma to the ossicular system and/or tympanic membrane from changes of middle ear/external canal pressure Barotrauma

16. Miscellaneous Congenital abnormalities – atresia Foreign bodies/wax Benign tumours of outer/middle ear Trauma to ear

17. Surgical Medical Others – hearing aids Support services Treatment