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What are the causes of childhood hearing loss?

What are the causes of childhood hearing loss?

What are the causes of childhood hearing loss?

a.      Sensorineural hearing loss

                                                              i.      Present at birth (congenital)

1.      Infections passed along from the mother

a.      Toxoplasmosis

b.      Syphilis

c.       Herpes

d.      Cytomegalovirus

e.      Rubella

2.      Syndromes

3.      Low birth weight

4.      Inherited conditions

                                                            ii.      Acquired

1.      Noise exposure

a.      Fireworks

b.      Loud toys

c.       iPods/MP3 players

2.      Trauma

3.      Infections

4.      Medications

a.      Chemotherapy

b.      Aminoglycosides

b.       Conductive hearing loss

                                                              i.      Present at birth (congenital)

1.      Malformation of the pinna (outside of ear)

2.      Malformation of the tympanic membrane (eardrum)

3.      Ear canal abnormalities

4.      Abnormalities of the ossicles (three tiny bones in the middle ear)

                                                            ii.      Acquired

1.      Cerumen (ear wax)

2.      Foreign objects in the ear canals (e.g. rocks, small toys, peas)

3.      Tumors

4.      Ear infections

5.      Chronic ear infections

6.      Perforated tympanic membranes (eardrums)

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