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22 Cards in this Set
- Front
- Back
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Outer Ear
Inflammatory Disorders list |
1. External Otitis
2. Viruses 3.Aural Polyps 4. Allergic Dermatitis |
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Types of External Otitis
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-Bacterial Exernal Otitis
-Viral External Otitis -Furunculosis -Keratosis Obliterans -Chondritis/Perichondritis |
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Outer Ear Viruses example
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Herpes Zoster Oticus/
Ramsay Hunt Sundrome |
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External Otitis
-definition -characteristics |
Inflammatory disorder of skin on the pinna and/or EAC.
-Edema -Erythema -Heat -desquamation of epithelium -Exudation |
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Edema
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swelling
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Erythema
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Redness
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desquamation of epithelial cells
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dead skin cells
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Exudate
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puss
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External Otitis
Causes |
-Bacterial Infection
-Direct exposure to water (constant moisture in small area) -Allergy -high ambient humidity -general skin disorders -foreign bodies -trauma |
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Localized vs. Diffuse
Bacterial External Otitis |
LOCALIZED:
-Affects hair cells -Furunculosis in later stages DIFFUSE: -Swimmer's Ear -caused by constant heat and moisture in small area. -Chronic Stenosis External Otitis (infection + swelling) |
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Swimmer's Ear is the common name for what outer ear disorder?
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Diffuse Bacterial External Otitis
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Complications of External Otitis
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1. Furunculosis
2. Keratosis Obliterans |
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Furunculosis
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Painful, red blister on the outer ear.
Associated with External Otitis |
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Keratosis Obliterans
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Cholesteatoma of EAC
-extensive, benign growth of dead skin cells in EAC that excretes destructive enzymes |
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Outer Ear Viruses
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-Viruses damage cartilage and deform pinna
-Ramsay Hunt Syndrome/ Herpes Zoster Oticus -Bullous myrnigitis -Chondritis |
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Herpes Zoster Oticus
Ramsay Hunt Syndrome definition symptoms treatment |
-Small, painful blisters on pinna, EAC, and around ear.
-May affect facial and auditory nerves causing central and peripheral issues. -Tinnitus, HL, vertigo, facial nerve numbness/paralysis -Absent ARTs, hyperacusis -Treat with corticosteroids and antiviral treatments |
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Bullous myringitis
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-Infection of TM
-Small, painful blisters associated with URI + otitis media that's moved laterally |
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Chondritis
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Inflammation of cartilage on pinna and EAC.
-Oral antibiotic or topical treatment |
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Aural Polyps
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Inflamed, smooth mass of tissue in the EAC caused by ME infection which develops granulation tissue consisting of vascular connective tissue with pus.
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Bacterial Otitis Externa
Treatment |
1. Prevention
-No water in ear -Dry ear after water activity with cotton + vaseline -swim plugs/ear plugs 2.Kill Bacteria -Ear drops, neosporin -Vinegar + acetic acid -Local treatment 1 week after infection 3. Fever -Oral Intibiotics |
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External Otitis- Complications
Treatment |
Furunculosis
-Antibiotic steroid drops Chondritis -Oral antibiotics -Topical treatment Keratosis Obliterans -Surgical removal |
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Viral Otitis Externa
Treatment |
Incision and drainage of blisters
(most rupture + heal on their own) |
