Ear Disease

Question 1

What is important to ask when taking a history from someone with symptoms of ear disease?

Answer 1

→Hearing Loss

→Tinnitus

→Vertigo

→Otalgia

→Ear Discharge

Question 2

What are the 3 types of hearing loss?

Answer 2

Conductive

sensorineural

mixed

Question 3

Detail a few signs of ear disease

Answer 3

• External scars
• Abnormalities of ear canal

→Discharge

→Swelling

→Bleeding

→Masses

• Swelling over mastoid
• Facial Weakness
• Hearing Loss

Question 4

when does perforation of the ear drum usually occur?

Answer 4

Commonly due to Acute Otitis Media

May also occur after trauma

Usually heals spontaneously

Question 5

What are some complications of acute otitis medi/ cholestetoma?

Answer 5

•Medially

→Sensorineural Hearing Loss /Tinnitus / Vertigo / Facial Palsy

•Superiorly

→Brain Abscess / Meningitis

•Posteriorly

→Venous Sinus Thrombosis

Question 6

Detail some drugs that can cause sensorineural hearing loss

Answer 6

Certain drugs well known to cause Sensorineural Hearing Loss

→Gentamicin and other aminoglycosides

→Chemotherapeutic drugs - Cisplatin, Vincristine

→Aspirin and NSAIDs (in overdose)

Question 7

What type of trauma is caused by direct impact to the ear?

What can a skull fracture cause hearing loss wise?

Answer 7

May cause conductive sensorineural or mixed hearing loss

Hearing Loss

→Conductive

→Sensorineural

Facial Palsy

CSF Leak

Question 8

What is the frequency noise induced hearing loss is most sensitive?

Answer 8

Classical dip at 4 kHz

Preventable with protection

Employers have legal responsibility regarding protection at work