Otitis Externa & Media Flashcards

1
Q

Bacterial causes of otitis externa

A

Staph. A
Pseudomonas

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2
Q

Discharge of Otitis externa

A

Purulent and scanty

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3
Q

Ab used in treatment of otitis externa

A

Ciprofloxacin

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4
Q

Treatment of otitis externa

A

Aural toilet (suction)
Topical Ab & steroids: ciprofloxacin
Topical antifungal

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5
Q

What is Ramsey hunt syndrome

A

Severely painful vesicular exanthem in otitis externa (herpes zoster oticus)

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6
Q

Cranial nerves affected in ramsey hjny syndrome

A

7 and 8

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7
Q

Most important risk factor in malignant otitis externa

A

DM or Immunodeficiency

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8
Q

Cause of malignant otitis externa

A

Osteomyelitis of lateral skull base

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9
Q

Floor of EAC in otitis externa contains

A

Granulations

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10
Q

Complications of malignant otitis externa

A

Facial palsy
Bulbar palsy

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11
Q

Bacterial causes of otitis media

A

Strept. Pneumonia
H influenza
Moraxella catarrhalis

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12
Q

Discharge in otitis media

A

Profuse and purulent

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13
Q

Complications of otitis media

A

TM perforation
Mastoiditis
Facial palsy

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14
Q

Treatment of otitis media

A

Medical : Ab, analgesia, antipyretics
Surgical ; incision and drainage (myringotomy)

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15
Q

Cause of otitis media with effusion

A

Eustacian tube dysfunction

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16
Q

Otoscopy in otitis media with effusion shows….

A

Dull Tympanic membrane
Fluid level
Bubbles

17
Q

Pure tone audiogram in otitis media with effusion shows…

A

Conducrive hearing loss(air bone gap)

18
Q

Tympanometry in otitis media with effusion shows….

A

Flat curve type B

19
Q

Treatment of otitis media with effusion

A

• Watch and wait – 50%
will resolve
spontaneously within 3
months
• Surgical
• Adenoidectomy
• Myringotomy and
ventilation tube
insertion