Term
| adult demensions of the ear canal |
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Definition
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Term
| medial 2/3 of ear is composed of: |
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Definition
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Term
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Definition
| secretions from sebaceous & ceruminous glands, epothelium, debris |
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Term
| cerumen acidifies the ear canal with: |
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Definition
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Term
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Definition
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Term
| cerumen build up can cause: |
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Definition
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Term
| 3 etiologies of cerumen impaction: |
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Definition
1. Q-tips
2. Narrow ear canal
3. overproduction of cerumen |
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Term
| cerumen impaction can cause pain if: |
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Definition
| cerumen is in contact with the TM or the hardened cerumen injures the external canal |
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Term
| for cerumen impaction to cause hearing loss: |
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Definition
| canal must be completely obstructed |
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Term
| cerumen impaction can cause vertigo if: |
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Definition
| cerumen is in contact with the TM |
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Term
| 5 symptoms assoc. w cerumen impaction: |
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Definition
1. pain
2. hearing loss
3. vertigo
4. ear fullness
5. tinnitus |
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Term
| 3 indications that cerumen should be removed: |
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Definition
1. hearing loss
2. pain
3. cerumen obscures ear examination |
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Term
| when should lavage not be used for cerumen removal? |
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Definition
| with suspected or known TM perforation |
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Term
| 3 reasons to refer for cerumen impaction: |
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Definition
1. chronic ear disease
2. TM perforation by Hx
3. impaction in the only hearing ear |
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Term
| 2 etiologies for ear canal pruritis: |
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Definition
1. dermatitis
2. otitis externa |
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Term
| contact dermatitis is caused by: |
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Definition
| exposure to irritants; hair spray, shampoo, etc. |
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Term
| allergic contact dermatitis is caused by: |
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Definition
| allergens; poison ivey, nickel compounds(ear rings), cosmetics |
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Term
| name 4 types of dermatitis: |
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Definition
1. contact dermatitis (including allergic)
2. neurodermatitis
3. seborrhea
4. psoriasis |
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Term
| neurodermatitis is caused by: |
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Definition
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Term
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Definition
| scaly, flakey, itchy, red skin cause is unknown |
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Term
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Definition
| is a chronic, non-contagious autoimmune disease that affects the skin and joints. It commonly causes red, scaly patches to appear on the skin |
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Term
| 4 treatments for ear canal pruritis: |
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Definition
1. oral antihistamines
2. topical alcohol
3. hydrocortisone drops
4. mineral oil for dryness |
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Term
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Definition
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Term
| external otitis is mostly unilateral or bilateral? |
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Definition
| unilateral in 90%of cases |
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Term
| peak age range for external otitis: |
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Definition
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Term
| 5 considerations for differential diagnosis of external otitis: |
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Definition
1. baterial or fungal
2. malignant externla otitis
3. chronic suppurative otitis media
4. carcinoma of the canal
5. dermatitis |
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Term
| 7 points of presentation for external otitis: |
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Definition
1. pain
2. itching
3. swelling
4. otorrhea
5. hearing loss
6. fever
7. lymphadenopathy |
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Term
| fever for otitis externa is rarely over |
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Definition
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Term
| during physical exam, what is the indicator of external otitis? |
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Definition
| pain upon palpation of the tragus |
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Term
| what is the single most important aspect of treatment for external otitis? |
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Definition
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Term
| describe cleaning methods for external otitis: |
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Definition
| irrigation with 1:1 warm water:H2O2 if TM is intact manual removal of debris. |
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Term
| describe wick placement for treatment of external otitis: |
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Definition
| canal is swollen can place wick inside canal to allow entrance of antibiotic/antifungal. |
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Term
| systemic antibiotics are used for external otitis patients who are: |
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Definition
diabetic
immunocomprimised
severe cases
Hx of ear radiation |
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Term
| patient education for external otitis post Tx: |
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Definition
nothing smaller than your elbow in the ear.
no water sports for 7-10d
nothing in the ear until pain/discharge are gone
protect ear from all water |
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Term
| define Malignant external otitis: |
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Definition
| occurs when the infection spreads from the skin to the soft tissue, cartilage and bone of the temporal region and skull base. |
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Term
| 90% of adults with malignant external otitis have some form of: |
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Definition
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Term
| etiology of malignant external otitis: |
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Definition
| 95% pseudomonas aeruginosa |
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Term
| 4 major presentations of malignant external otitis: |
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Definition
1. deep seated pain (worse @ night)
2. foul smelling discharge
3. progressive cranial nerve palsies
4. edema, erythema, necrosis of ear canal skin. |
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Term
| Which lab is "strikingly" elevated in malignant external otitis? |
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Definition
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Term
| do we refer malignant external otitis? |
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Definition
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Term
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Definition
| benign cartilage or bony growth; doesn;t need Tx unless it involves the TM |
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Term
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Definition
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Term
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Definition
| benign bony growths which are usually multiple |
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Term
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Definition
| chronic exposure of canal to cold water |
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Term
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Definition
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Term
| Define keloid> Tx for keloids |
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Definition
| growth on ear where trauma has occured (piercing) steroid injections = Tx |
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Term
| what is the most common carcinoma of the ear? |
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Definition
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Term
| red flags for carcinoma of the ear:4 |
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Definition
1. abnormal tissue growth in ear canal
2. lack of response to external otitis Tx
3. bloody otorrhea
4. friable ear canal lesion w surrounding purulence |
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